./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/fib_safe-6.i --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 42d87675 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/pthread/fib_safe-6.i -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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --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-42d8767-m [2025-04-25 02:06:23,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 02:06:23,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 02:06:23,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 02:06:23,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 02:06:23,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 02:06:23,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 02:06:23,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 02:06:23,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 02:06:23,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 02:06:23,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 02:06:23,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 02:06:23,637 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 02:06:23,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 02:06:23,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 02:06:23,637 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 02:06:23,638 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 02:06:23,638 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:23,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:06:23,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:23,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 02:06:23,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 02:06:23,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 02:06:23,641 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 02:06:23,641 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 02:06:23,641 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 -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 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 [2025-04-25 02:06:23,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 02:06:23,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 02:06:23,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 02:06:23,895 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-25 02:06:23,896 INFO L274 PluginConnector]: CDTParser initialized [2025-04-25 02:06:23,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/fib_safe-6.i [2025-04-25 02:06:25,205 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a97ee6d/cdfb67ac92784e5189c34b5cfd0d2181/FLAG73a7f1029 [2025-04-25 02:06:25,466 INFO L389 CDTParser]: Found 1 translation units. [2025-04-25 02:06:25,466 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_safe-6.i [2025-04-25 02:06:25,474 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a97ee6d/cdfb67ac92784e5189c34b5cfd0d2181/FLAG73a7f1029 [2025-04-25 02:06:26,255 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2a97ee6d/cdfb67ac92784e5189c34b5cfd0d2181 [2025-04-25 02:06:26,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 02:06:26,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-25 02:06:26,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-25 02:06:26,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-25 02:06:26,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-25 02:06:26,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e70f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26, skipping insertion in model container [2025-04-25 02:06:26,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-25 02:06:26,541 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_safe-6.i[30241,30254] [2025-04-25 02:06:26,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:06:26,569 INFO L200 MainTranslator]: Completed pre-run [2025-04-25 02:06:26,617 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_safe-6.i[30241,30254] [2025-04-25 02:06:26,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:06:26,651 INFO L204 MainTranslator]: Completed translation [2025-04-25 02:06:26,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26 WrapperNode [2025-04-25 02:06:26,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-25 02:06:26,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 02:06:26,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 02:06:26,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 02:06:26,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,692 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2025-04-25 02:06:26,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 02:06:26,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 02:06:26,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 02:06:26,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 02:06:26,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,707 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 02:06:26,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 02:06:26,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 02:06:26,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 02:06:26,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (1/1) ... [2025-04-25 02:06:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:26,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 02:06:26,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-25 02:06:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-25 02:06:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-25 02:06:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 02:06:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 02:06:26,774 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 02:06:26,869 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 02:06:26,870 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 02:06:27,005 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 02:06:27,005 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 02:06:27,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 02:06:27,076 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 02:06:27,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:06:27 BoogieIcfgContainer [2025-04-25 02:06:27,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 02:06:27,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 02:06:27,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 02:06:27,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 02:06:27,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.04 02:06:26" (1/3) ... [2025-04-25 02:06:27,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73791342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:06:27, skipping insertion in model container [2025-04-25 02:06:27,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26" (2/3) ... [2025-04-25 02:06:27,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73791342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:06:27, skipping insertion in model container [2025-04-25 02:06:27,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:06:27" (3/3) ... [2025-04-25 02:06:27,083 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2025-04-25 02:06:27,094 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 02:06:27,096 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_safe-6.i that has 3 procedures, 26 locations, 27 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 02:06:27,096 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 02:06:27,145 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-25 02:06:27,181 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:06:27,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 02:06:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:27,184 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) [2025-04-25 02:06:27,186 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 [2025-04-25 02:06:27,245 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 02:06:27,254 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 02:06:27,262 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;@22b27839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:06:27,262 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-25 02:06:27,314 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:27,318 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:27,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2069511741, now seen corresponding path program 1 times [2025-04-25 02:06:27,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:27,325 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716747500] [2025-04-25 02:06:27,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:27,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:27,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 02:06:27,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 02:06:27,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:27,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:27,561 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716747500] [2025-04-25 02:06:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716747500] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:06:27,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:06:27,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 02:06:27,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059266957] [2025-04-25 02:06:27,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:06:27,567 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 02:06:27,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:27,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 02:06:27,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 02:06:27,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,581 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:27,583 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-04-25 02:06:27,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,621 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 02:06:27,621 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:27,621 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:27,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2099572992, now seen corresponding path program 1 times [2025-04-25 02:06:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:27,622 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550516937] [2025-04-25 02:06:27,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:27,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 02:06:27,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 02:06:27,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:27,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:27,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:27,710 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550516937] [2025-04-25 02:06:27,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550516937] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:27,710 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881298786] [2025-04-25 02:06:27,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:27,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:27,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:27,717 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) [2025-04-25 02:06:27,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 02:06:27,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 02:06:27,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 02:06:27,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:27,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-25 02:06:27,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:27,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:27,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881298786] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:27,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:27,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-04-25 02:06:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868074550] [2025-04-25 02:06:27,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:27,863 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 02:06:27,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:27,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 02:06:27,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 02:06:27,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,865 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:27,865 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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) [2025-04-25 02:06:27,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:27,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-25 02:06:28,132 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-25 02:06:28,132 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:28,133 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:28,133 INFO L85 PathProgramCache]: Analyzing trace with hash 237873411, now seen corresponding path program 2 times [2025-04-25 02:06:28,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:28,133 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234170847] [2025-04-25 02:06:28,133 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:28,149 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-04-25 02:06:28,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 02:06:28,180 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:28,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:28,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:28,270 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234170847] [2025-04-25 02:06:28,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234170847] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:28,270 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411104226] [2025-04-25 02:06:28,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:28,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:28,273 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) [2025-04-25 02:06:28,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-25 02:06:28,319 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-04-25 02:06:28,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 02:06:28,344 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:28,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:28,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-25 02:06:28,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:28,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:28,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411104226] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:28,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:28,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-04-25 02:06:28,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352657506] [2025-04-25 02:06:28,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:28,417 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 02:06:28,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:28,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 02:06:28,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-25 02:06:28,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:28,418 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:28,418 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 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) [2025-04-25 02:06:28,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:28,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:28,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:28,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:28,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:28,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:28,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-25 02:06:28,694 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:28,694 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:28,694 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:28,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1815611421, now seen corresponding path program 3 times [2025-04-25 02:06:28,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:28,695 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246843232] [2025-04-25 02:06:28,695 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:28,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:28,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 6 equivalence classes. [2025-04-25 02:06:28,733 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 02:06:28,733 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 02:06:28,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:28,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:28,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246843232] [2025-04-25 02:06:28,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246843232] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:28,949 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921441215] [2025-04-25 02:06:28,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:28,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:28,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:28,950 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) [2025-04-25 02:06:28,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-25 02:06:28,996 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 6 equivalence classes. [2025-04-25 02:06:29,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 02:06:29,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 02:06:29,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:29,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 02:06:29,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:29,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:29,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921441215] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:29,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:29,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2025-04-25 02:06:29,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845109060] [2025-04-25 02:06:29,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:29,174 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-25 02:06:29,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:29,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-25 02:06:29,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-04-25 02:06:29,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:29,175 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:29,175 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 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) [2025-04-25 02:06:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:29,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:29,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:29,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:29,239 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:29,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-25 02:06:29,439 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:29,440 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:29,440 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:29,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1224224989, now seen corresponding path program 4 times [2025-04-25 02:06:29,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:29,440 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885508365] [2025-04-25 02:06:29,440 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:06:29,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:29,448 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 29 statements into 2 equivalence classes. [2025-04-25 02:06:29,466 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 02:06:29,466 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:06:29,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:30,415 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:30,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:30,416 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885508365] [2025-04-25 02:06:30,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885508365] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:30,416 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15198643] [2025-04-25 02:06:30,416 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:06:30,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:30,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:30,418 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) [2025-04-25 02:06:30,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-25 02:06:30,457 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 29 statements into 2 equivalence classes. [2025-04-25 02:06:30,478 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 02:06:30,478 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:06:30,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:30,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-25 02:06:30,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 78 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:31,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15198643] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:32,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 61 [2025-04-25 02:06:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815102798] [2025-04-25 02:06:32,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:32,261 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-25 02:06:32,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:32,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-25 02:06:32,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=3220, Unknown=0, NotChecked=0, Total=3782 [2025-04-25 02:06:32,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:32,263 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:32,264 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 61 states have internal predecessors, (85), 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) [2025-04-25 02:06:32,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:32,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:32,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:32,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:32,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:33,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:33,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:33,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:33,860 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:33,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 02:06:33,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-25 02:06:34,061 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:34,062 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:34,062 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash -402589848, now seen corresponding path program 1 times [2025-04-25 02:06:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:34,062 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558505524] [2025-04-25 02:06:34,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:34,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-25 02:06:34,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-25 02:06:34,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:34,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:34,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:34,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558505524] [2025-04-25 02:06:34,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558505524] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:34,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350847410] [2025-04-25 02:06:34,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:34,841 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) [2025-04-25 02:06:34,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-25 02:06:34,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-25 02:06:34,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-25 02:06:34,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:34,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:34,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-04-25 02:06:34,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:35,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:36,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350847410] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:36,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:36,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 66 [2025-04-25 02:06:36,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626260505] [2025-04-25 02:06:36,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:36,398 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-04-25 02:06:36,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:36,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-04-25 02:06:36,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=3905, Unknown=0, NotChecked=0, Total=4422 [2025-04-25 02:06:36,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:36,401 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:36,401 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 66 states have internal predecessors, (102), 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) [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 02:06:36,401 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:39,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:39,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:39,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:39,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:39,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 02:06:39,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:39,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-25 02:06:39,726 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:39,726 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:39,727 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -986329745, now seen corresponding path program 2 times [2025-04-25 02:06:39,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:39,727 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633341660] [2025-04-25 02:06:39,727 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:39,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:39,732 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-25 02:06:39,742 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 02:06:39,742 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:39,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:40,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:40,524 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633341660] [2025-04-25 02:06:40,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633341660] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:40,524 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518535437] [2025-04-25 02:06:40,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:40,526 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) [2025-04-25 02:06:40,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-25 02:06:40,561 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-25 02:06:40,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 02:06:40,584 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:40,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:40,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-04-25 02:06:40,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 78 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:41,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:42,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518535437] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:42,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:42,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 75 [2025-04-25 02:06:42,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808009632] [2025-04-25 02:06:42,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:42,360 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-25 02:06:42,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:42,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-25 02:06:42,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=569, Invalid=5131, Unknown=0, NotChecked=0, Total=5700 [2025-04-25 02:06:42,362 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:42,362 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:42,362 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 75 states have internal predecessors, (127), 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) [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:42,362 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:47,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:47,193 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:47,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 02:06:47,393 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-04-25 02:06:47,393 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:47,394 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:47,394 INFO L85 PathProgramCache]: Analyzing trace with hash -896889727, now seen corresponding path program 3 times [2025-04-25 02:06:47,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:47,394 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430307292] [2025-04-25 02:06:47,394 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:47,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:47,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:06:47,431 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:06:47,431 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:06:47,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:48,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430307292] [2025-04-25 02:06:48,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430307292] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:48,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893371936] [2025-04-25 02:06:48,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:48,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:48,435 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) [2025-04-25 02:06:48,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-25 02:06:48,476 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:06:48,502 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:06:48,502 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:06:48,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:48,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:06:48,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 78 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:49,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:51,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893371936] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:51,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:51,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:06:51,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488038647] [2025-04-25 02:06:51,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:51,050 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:06:51,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:51,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:06:51,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=716, Invalid=8790, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:06:51,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:51,053 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:51,053 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:51,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:51,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:51,054 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:56,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:56,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:06:56,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-25 02:06:56,462 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:56,462 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:56,462 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1542155523, now seen corresponding path program 4 times [2025-04-25 02:06:56,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:56,463 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602596728] [2025-04-25 02:06:56,463 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:06:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:56,467 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 67 statements into 2 equivalence classes. [2025-04-25 02:06:56,471 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 50 of 67 statements. [2025-04-25 02:06:56,471 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 02:06:56,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-25 02:06:56,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:56,533 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602596728] [2025-04-25 02:06:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602596728] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:06:56,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:06:56,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-25 02:06:56,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389191712] [2025-04-25 02:06:56,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:06:56,533 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 02:06:56,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:56,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 02:06:56,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-04-25 02:06:56,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:56,534 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:56,534 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:06:56,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:56,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:56,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:06:56,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:06:56,670 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-25 02:06:56,671 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:56,671 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:56,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1547127664, now seen corresponding path program 1 times [2025-04-25 02:06:56,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:56,671 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857755907] [2025-04-25 02:06:56,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:56,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:56,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-25 02:06:56,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-25 02:06:56,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:56,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 65 proven. 31 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-25 02:06:56,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:56,787 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857755907] [2025-04-25 02:06:56,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857755907] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:56,787 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872257230] [2025-04-25 02:06:56,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:56,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:56,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:56,789 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) [2025-04-25 02:06:56,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-25 02:06:56,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-25 02:06:56,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-25 02:06:56,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:56,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:56,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-25 02:06:56,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-25 02:06:56,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 02:06:56,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872257230] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:06:56,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 02:06:56,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 10 [2025-04-25 02:06:56,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136881795] [2025-04-25 02:06:56,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:06:56,921 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 02:06:56,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:56,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 02:06:56,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-04-25 02:06:56,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:56,922 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:56,922 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:06:56,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-04-25 02:06:58,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-25 02:06:58,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:06:58,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:06:58,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-25 02:06:58,539 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-25 02:06:58,539 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:06:58,539 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:58,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1055885377, now seen corresponding path program 5 times [2025-04-25 02:06:58,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:58,540 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009402863] [2025-04-25 02:06:58,540 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:06:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:58,545 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:06:58,572 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:06:58,573 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:06:58,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:59,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:59,552 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009402863] [2025-04-25 02:06:59,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009402863] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:59,552 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336809392] [2025-04-25 02:06:59,552 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:06:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:59,554 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) [2025-04-25 02:06:59,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-25 02:06:59,593 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:06:59,616 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:06:59,616 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:06:59,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:59,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:06:59,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 78 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:00,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:02,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336809392] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:02,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:02,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:07:02,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690017538] [2025-04-25 02:07:02,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:02,688 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:07:02,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:02,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:07:02,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=764, Invalid=8548, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:07:02,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:02,692 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:02,692 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:07:02,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:02,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:02,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:02,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:02,692 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:02,693 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:09,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:09,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 02:07:09,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-25 02:07:10,022 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-25 02:07:10,022 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:07:10,023 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1967409345, now seen corresponding path program 6 times [2025-04-25 02:07:10,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:10,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926765148] [2025-04-25 02:07:10,023 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:07:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:10,028 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:07:10,047 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:10,047 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:07:10,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:10,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:10,886 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926765148] [2025-04-25 02:07:10,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926765148] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:10,886 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858454337] [2025-04-25 02:07:10,886 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:07:10,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:10,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:10,888 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) [2025-04-25 02:07:10,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-25 02:07:10,920 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:07:10,942 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:10,943 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:07:10,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:10,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:07:10,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 78 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:12,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:13,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858454337] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:13,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:13,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:07:13,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130922038] [2025-04-25 02:07:13,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:13,494 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:07:13,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:13,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:07:13,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=8783, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:07:13,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:13,496 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:13,496 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 02:07:13,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:22,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-04-25 02:07:22,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:22,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:22,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 02:07:22,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:22,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-25 02:07:22,620 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:22,620 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:07:22,621 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:22,621 INFO L85 PathProgramCache]: Analyzing trace with hash -860637119, now seen corresponding path program 7 times [2025-04-25 02:07:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:22,621 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865519812] [2025-04-25 02:07:22,621 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:07:22,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:22,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:07:22,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:22,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:07:22,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:23,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:23,432 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865519812] [2025-04-25 02:07:23,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865519812] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:23,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715359266] [2025-04-25 02:07:23,433 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:07:23,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:23,435 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) [2025-04-25 02:07:23,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-25 02:07:23,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:07:23,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:23,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:07:23,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:23,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:07:23,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 78 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:24,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:25,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715359266] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:25,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:25,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:07:25,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818105766] [2025-04-25 02:07:25,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:25,988 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:07:25,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:25,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:07:25,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=691, Invalid=8621, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:07:25,990 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:25,990 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:25,991 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:25,991 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 02:07:33,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 02:07:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-25 02:07:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:33,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-25 02:07:34,037 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-04-25 02:07:34,038 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:07:34,038 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1092137985, now seen corresponding path program 8 times [2025-04-25 02:07:34,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:34,039 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531020192] [2025-04-25 02:07:34,039 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:07:34,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:34,043 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:07:34,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:34,049 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:07:34,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:34,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:34,862 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531020192] [2025-04-25 02:07:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531020192] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:34,862 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477522660] [2025-04-25 02:07:34,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:07:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:34,864 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) [2025-04-25 02:07:34,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-25 02:07:34,896 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:07:34,916 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:34,916 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:07:34,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:34,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:07:34,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 78 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:35,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:37,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477522660] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:37,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:37,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:07:37,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815082036] [2025-04-25 02:07:37,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:37,311 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:07:37,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:37,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:07:37,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=690, Invalid=8622, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:07:37,313 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:37,313 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:37,313 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 02:07:37,313 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:37,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:37,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 02:07:37,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-25 02:07:37,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:37,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:48,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-04-25 02:07:48,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:07:48,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:07:48,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 02:07:48,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-25 02:07:49,188 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-25 02:07:49,188 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:07:49,188 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash 328603841, now seen corresponding path program 9 times [2025-04-25 02:07:49,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:49,189 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927485661] [2025-04-25 02:07:49,189 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:07:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:49,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:07:49,206 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:49,206 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:07:49,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:50,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:50,015 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927485661] [2025-04-25 02:07:50,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927485661] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:50,015 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555766995] [2025-04-25 02:07:50,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:07:50,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:50,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:50,017 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) [2025-04-25 02:07:50,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-25 02:07:50,056 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:07:50,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:07:50,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:07:50,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:50,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:07:50,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 78 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:51,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:52,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555766995] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:52,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:52,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:07:52,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160363894] [2025-04-25 02:07:52,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:52,895 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:07:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:52,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:07:52,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=8884, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:07:52,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:52,896 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:52,897 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 02:07:52,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:13,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:13,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:08:13,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-25 02:08:14,036 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-25 02:08:14,037 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:08:14,037 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:08:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash 580118593, now seen corresponding path program 10 times [2025-04-25 02:08:14,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:08:14,037 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69766495] [2025-04-25 02:08:14,037 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:08:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:08:14,045 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:08:14,052 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:08:14,052 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:08:14,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:14,926 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69766495] [2025-04-25 02:08:14,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69766495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:14,926 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678223888] [2025-04-25 02:08:14,926 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:08:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:14,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:14,928 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) [2025-04-25 02:08:14,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-25 02:08:14,966 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:08:14,985 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:08:14,985 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:08:14,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:14,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:08:14,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 78 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:16,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:18,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678223888] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:18,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:18,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:08:18,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235274126] [2025-04-25 02:08:18,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:18,171 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:08:18,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:18,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:08:18,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=8763, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:08:18,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:18,172 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:18,173 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:08:18,173 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:28,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:28,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:08:28,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 02:08:28,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-25 02:08:28,476 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 02:08:28,476 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:08:28,476 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:08:28,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1762073599, now seen corresponding path program 11 times [2025-04-25 02:08:28,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:08:28,477 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985435671] [2025-04-25 02:08:28,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:08:28,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:08:28,484 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:08:28,498 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:08:28,499 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:08:28,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:29,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:29,318 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985435671] [2025-04-25 02:08:29,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985435671] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:29,318 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988066696] [2025-04-25 02:08:29,318 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:08:29,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:29,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:29,319 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) [2025-04-25 02:08:29,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-25 02:08:29,353 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:08:29,374 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:08:29,374 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:08:29,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:29,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:08:29,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 78 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:30,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:32,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988066696] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:32,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:32,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:08:32,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166414753] [2025-04-25 02:08:32,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:32,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:08:32,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:32,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:08:32,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=8552, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:08:32,252 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:32,252 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:32,253 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 02:08:32,253 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:44,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2025-04-25 02:08:44,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-04-25 02:08:44,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2025-04-25 02:08:44,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-25 02:08:44,235 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 02:08:44,235 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:08:44,235 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:08:44,235 INFO L85 PathProgramCache]: Analyzing trace with hash 642671516, now seen corresponding path program 12 times [2025-04-25 02:08:44,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:08:44,236 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82566075] [2025-04-25 02:08:44,236 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:08:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:08:44,239 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:08:44,250 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:08:44,250 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:08:44,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:45,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:45,034 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82566075] [2025-04-25 02:08:45,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82566075] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:45,034 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491296927] [2025-04-25 02:08:45,034 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:08:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:45,036 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) [2025-04-25 02:08:45,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-25 02:08:45,069 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:08:45,090 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:08:45,090 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:08:45,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:45,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:08:45,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 78 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:46,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:47,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491296927] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:47,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:47,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:08:47,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466005875] [2025-04-25 02:08:47,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:47,421 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:08:47,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:47,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:08:47,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=751, Invalid=8755, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:08:47,422 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:47,422 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:47,423 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 97 states have internal predecessors, (187), 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) [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2025-04-25 02:08:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-04-25 02:09:02,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:09:02,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-25 02:09:02,423 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 02:09:02,423 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:09:02,423 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:09:02,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1052497352, now seen corresponding path program 2 times [2025-04-25 02:09:02,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:09:02,423 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214257089] [2025-04-25 02:09:02,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:09:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:09:02,427 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:09:02,432 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:02,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:09:02,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:03,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:09:03,168 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214257089] [2025-04-25 02:09:03,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214257089] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:09:03,168 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039939183] [2025-04-25 02:09:03,168 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:09:03,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:03,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:09:03,170 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) [2025-04-25 02:09:03,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-25 02:09:03,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:09:03,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:03,227 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:09:03,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:03,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:09:03,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:09:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 78 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:04,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:09:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:05,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039939183] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:09:05,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:09:05,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:09:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247836365] [2025-04-25 02:09:05,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:09:05,621 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:09:05,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:09:05,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:09:05,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=8617, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:09:05,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:05,623 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:09:05,623 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9896907216494846) internal successors, (193), 96 states have internal predecessors, (193), 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) [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:09:05,623 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:26,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:09:26,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:26,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:09:26,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-25 02:09:26,257 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:26,259 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:09:26,259 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:09:26,259 INFO L85 PathProgramCache]: Analyzing trace with hash 21752001, now seen corresponding path program 13 times [2025-04-25 02:09:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:09:26,259 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432623883] [2025-04-25 02:09:26,259 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:09:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:09:26,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:09:26,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:26,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:09:26,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:27,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:09:27,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432623883] [2025-04-25 02:09:27,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432623883] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:09:27,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711766595] [2025-04-25 02:09:27,030 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:09:27,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:09:27,032 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) [2025-04-25 02:09:27,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-25 02:09:27,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:09:27,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:27,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:09:27,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:27,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:09:27,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:09:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 78 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:28,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:09:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:29,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711766595] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:09:29,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:09:29,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:09:29,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788257024] [2025-04-25 02:09:29,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:09:29,457 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:09:29,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:09:29,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:09:29,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=8618, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:09:29,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:29,458 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:09:29,459 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:09:29,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:09:40,246 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:40,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-25 02:09:40,447 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:40,447 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:09:40,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:09:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1546698446, now seen corresponding path program 3 times [2025-04-25 02:09:40,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:09:40,448 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742837055] [2025-04-25 02:09:40,448 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:09:40,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:09:40,451 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:09:40,459 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:40,460 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:09:40,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:41,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:09:41,133 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742837055] [2025-04-25 02:09:41,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742837055] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:09:41,133 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682144099] [2025-04-25 02:09:41,133 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:09:41,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:41,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:09:41,135 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) [2025-04-25 02:09:41,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-25 02:09:41,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:09:41,187 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:09:41,187 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:09:41,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:41,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:09:41,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:09:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 78 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:42,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:09:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682144099] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:09:44,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:09:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:09:44,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291451057] [2025-04-25 02:09:44,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:09:44,152 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:09:44,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:09:44,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:09:44,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=8864, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:09:44,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:44,153 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:09:44,154 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:09:44,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:10:02,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:10:02,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-04-25 02:10:02,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:02,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-25 02:10:03,044 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-04-25 02:10:03,046 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:10:03,047 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:10:03,047 INFO L85 PathProgramCache]: Analyzing trace with hash -183422655, now seen corresponding path program 14 times [2025-04-25 02:10:03,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:10:03,047 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832226812] [2025-04-25 02:10:03,049 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:10:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:10:03,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:10:03,064 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:03,064 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:10:03,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:03,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:10:03,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832226812] [2025-04-25 02:10:03,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832226812] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:10:03,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902880741] [2025-04-25 02:10:03,829 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:10:03,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:10:03,830 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) [2025-04-25 02:10:03,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-25 02:10:03,868 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:10:03,890 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:03,890 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:10:03,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:03,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:10:03,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:10:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 78 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:04,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:10:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:06,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902880741] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:10:06,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:10:06,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:10:06,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033851621] [2025-04-25 02:10:06,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:10:06,265 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:10:06,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:10:06,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:10:06,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=8618, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:10:06,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:06,266 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:10:06,266 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-04-25 02:10:06,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:06,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:10:28,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2025-04-25 02:10:28,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:28,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-25 02:10:28,591 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:28,591 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:10:28,592 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:10:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash -771639764, now seen corresponding path program 1 times [2025-04-25 02:10:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:10:28,592 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347315981] [2025-04-25 02:10:28,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:10:28,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:10:28,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:10:28,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:28,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:10:28,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:29,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:10:29,312 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347315981] [2025-04-25 02:10:29,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347315981] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:10:29,312 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051014524] [2025-04-25 02:10:29,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:10:29,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:29,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:10:29,314 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) [2025-04-25 02:10:29,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-25 02:10:29,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:10:29,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:29,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:10:29,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:29,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:10:29,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:10:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 78 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:30,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:10:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:31,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051014524] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:10:31,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:10:31,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:10:31,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846649029] [2025-04-25 02:10:31,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:10:31,565 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:10:31,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:10:31,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:10:31,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=8578, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:10:31,567 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:31,567 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:10:31,567 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9896907216494846) internal successors, (193), 96 states have internal predecessors, (193), 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) [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2025-04-25 02:10:31,567 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:31,568 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:57,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:10:57,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:10:57,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-25 02:10:57,266 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-04-25 02:10:57,266 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:10:57,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:10:57,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1148184511, now seen corresponding path program 15 times [2025-04-25 02:10:57,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:10:57,267 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357815406] [2025-04-25 02:10:57,267 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:10:57,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:10:57,271 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:10:57,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:57,282 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:10:57,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:58,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:10:58,010 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357815406] [2025-04-25 02:10:58,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357815406] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:10:58,010 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816851016] [2025-04-25 02:10:58,010 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:10:58,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:58,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:10:58,012 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) [2025-04-25 02:10:58,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-25 02:10:58,047 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:10:58,067 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:10:58,067 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:10:58,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:58,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:10:58,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:10:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 78 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:59,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:11:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:00,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816851016] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:11:00,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:11:00,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:11:00,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759852079] [2025-04-25 02:11:00,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:11:00,420 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:11:00,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:11:00,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:11:00,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=712, Invalid=8794, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:11:00,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:00,421 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:11:00,421 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:11:00,421 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:11:11,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:11:11,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-25 02:11:12,098 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-25 02:11:12,098 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:11:12,098 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:11:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 219235356, now seen corresponding path program 16 times [2025-04-25 02:11:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:11:12,099 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490654775] [2025-04-25 02:11:12,099 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:11:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:11:12,103 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 63 statements into 2 equivalence classes. [2025-04-25 02:11:12,109 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:11:12,110 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:11:12,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:12,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:11:12,888 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490654775] [2025-04-25 02:11:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490654775] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:11:12,888 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777405448] [2025-04-25 02:11:12,888 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:11:12,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:11:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:11:12,889 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) [2025-04-25 02:11:12,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-25 02:11:12,921 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 63 statements into 2 equivalence classes. [2025-04-25 02:11:12,940 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:11:12,940 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:11:12,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:12,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:11:12,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:11:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 78 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:14,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:11:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:15,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777405448] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:11:15,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:11:15,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:11:15,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238052050] [2025-04-25 02:11:15,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:11:15,840 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:11:15,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:11:15,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:11:15,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=750, Invalid=8756, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:11:15,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:15,842 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:11:15,842 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 97 states have internal predecessors, (187), 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) [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:15,842 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:11:15,843 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:32,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:11:32,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-04-25 02:11:33,064 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:11:33,064 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:11:33,064 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:11:33,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1248390116, now seen corresponding path program 17 times [2025-04-25 02:11:33,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:11:33,064 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850107672] [2025-04-25 02:11:33,064 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:11:33,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:11:33,068 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:11:33,076 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:11:33,076 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:11:33,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:33,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:11:33,794 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850107672] [2025-04-25 02:11:33,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850107672] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:11:33,794 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896893430] [2025-04-25 02:11:33,794 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:11:33,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:11:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:11:33,796 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) [2025-04-25 02:11:33,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-25 02:11:33,828 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:11:33,848 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:11:33,848 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:11:33,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:33,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:11:33,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:11:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 78 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:35,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:11:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:36,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896893430] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:11:36,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:11:36,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:11:36,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128251012] [2025-04-25 02:11:36,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:11:36,594 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:11:36,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:11:36,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:11:36,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=8521, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:11:36,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:36,596 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:11:36,596 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9278350515463918) internal successors, (187), 96 states have internal predecessors, (187), 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) [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:11:36,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:12:00,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:12:00,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-25 02:12:00,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-04-25 02:12:00,290 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-25 02:12:00,290 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:12:00,291 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:12:00,291 INFO L85 PathProgramCache]: Analyzing trace with hash 365076417, now seen corresponding path program 18 times [2025-04-25 02:12:00,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:12:00,291 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709094284] [2025-04-25 02:12:00,291 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:12:00,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:12:00,294 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:12:00,302 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:00,302 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:12:00,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:01,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:12:01,399 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709094284] [2025-04-25 02:12:01,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709094284] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:12:01,399 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397128583] [2025-04-25 02:12:01,399 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:12:01,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:12:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:12:01,402 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) [2025-04-25 02:12:01,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-04-25 02:12:01,435 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 65 statements into 8 equivalence classes. [2025-04-25 02:12:01,457 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:01,457 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 02:12:01,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:01,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:12:01,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:12:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 78 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:02,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:12:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:03,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397128583] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:12:03,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:12:03,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:12:03,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940456157] [2025-04-25 02:12:03,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:12:03,708 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:12:03,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:12:03,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:12:03,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=8780, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:12:03,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:03,709 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:12:03,709 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:12:03,709 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-25 02:12:03,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:16,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:12:16,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-25 02:12:16,927 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:16,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-04-25 02:12:17,127 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-25 02:12:17,127 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:12:17,128 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:12:17,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1977115775, now seen corresponding path program 19 times [2025-04-25 02:12:17,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:12:17,128 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529751387] [2025-04-25 02:12:17,128 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:12:17,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:12:17,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:12:17,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:17,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:12:17,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:17,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:12:17,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529751387] [2025-04-25 02:12:17,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529751387] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:12:17,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369089946] [2025-04-25 02:12:17,868 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:12:17,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:12:17,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:12:17,870 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:12:17,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-04-25 02:12:17,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-25 02:12:17,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:17,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:12:17,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:17,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:12:17,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:12:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 78 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:18,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:12:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369089946] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:12:20,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:12:20,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:12:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113747172] [2025-04-25 02:12:20,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:12:20,231 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:12:20,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:12:20,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:12:20,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=692, Invalid=8620, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:12:20,232 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:20,232 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:12:20,232 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 02:12:20,232 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:20,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:52,558 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:52,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2025-04-25 02:12:52,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-04-25 02:12:52,759 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-04-25 02:12:52,760 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:12:52,760 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:12:52,760 INFO L85 PathProgramCache]: Analyzing trace with hash 478098974, now seen corresponding path program 4 times [2025-04-25 02:12:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:12:52,760 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393755218] [2025-04-25 02:12:52,760 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:12:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:12:52,763 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:12:52,767 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:52,768 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:12:52,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:53,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:12:53,611 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393755218] [2025-04-25 02:12:53,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393755218] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:12:53,611 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970200787] [2025-04-25 02:12:53,611 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:12:53,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:12:53,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:12:53,613 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:12:53,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-04-25 02:12:53,646 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:12:53,664 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:12:53,664 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:12:53,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:53,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:12:53,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:12:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:54,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:12:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:56,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970200787] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:12:56,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:12:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:12:56,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042123182] [2025-04-25 02:12:56,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:12:56,347 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:12:56,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:12:56,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:12:56,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=768, Invalid=8738, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:12:56,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:56,348 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:12:56,348 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-25 02:12:56,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2025-04-25 02:12:56,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:13:49,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2025-04-25 02:13:49,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-04-25 02:13:49,808 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-25 02:13:49,809 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:13:49,809 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:13:49,809 INFO L85 PathProgramCache]: Analyzing trace with hash 593868993, now seen corresponding path program 20 times [2025-04-25 02:13:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:13:49,809 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670263491] [2025-04-25 02:13:49,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:13:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:13:49,812 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:13:49,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:13:49,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:13:49,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:13:50,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670263491] [2025-04-25 02:13:50,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670263491] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:13:50,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336026825] [2025-04-25 02:13:50,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:13:50,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:13:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:13:50,538 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:13:50,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-04-25 02:13:50,570 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:13:50,589 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:13:50,589 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:13:50,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:50,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:13:50,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:13:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 78 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:51,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:13:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:52,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336026825] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:13:52,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:13:52,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:13:52,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676761334] [2025-04-25 02:13:52,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:13:52,929 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:13:52,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:13:52,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:13:52,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=696, Invalid=8616, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:13:52,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:52,930 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:13:52,930 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.9793814432989691) internal successors, (192), 96 states have internal predecessors, (192), 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) [2025-04-25 02:13:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:13:52,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2025-04-25 02:13:52,931 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:05,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2025-04-25 02:14:05,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:14:05,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-04-25 02:14:05,962 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:14:05,962 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:14:05,963 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:14:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash -690682724, now seen corresponding path program 21 times [2025-04-25 02:14:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:14:05,963 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55362490] [2025-04-25 02:14:05,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:14:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:14:05,966 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:14:05,974 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:14:05,975 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:14:05,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:06,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:14:06,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55362490] [2025-04-25 02:14:06,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55362490] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:14:06,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79840514] [2025-04-25 02:14:06,612 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:14:06,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:14:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:14:06,614 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:14:06,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-04-25 02:14:06,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 8 equivalence classes. [2025-04-25 02:14:06,664 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 02:14:06,664 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 02:14:06,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:06,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:14:06,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:14:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 78 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:07,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:14:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:09,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79840514] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:14:09,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:14:09,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:14:09,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036336509] [2025-04-25 02:14:09,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:14:09,283 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:14:09,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:14:09,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:14:09,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=625, Invalid=8881, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:14:09,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:09,284 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:14:09,284 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.9081632653061225) internal successors, (187), 97 states have internal predecessors, (187), 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) [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:09,284 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:14:09,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:34,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:34,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:34,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:34,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:14:34,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:34,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:14:34,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:34,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-04-25 02:14:34,529 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-04-25 02:14:34,530 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:14:34,530 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:14:34,530 INFO L85 PathProgramCache]: Analyzing trace with hash 388694337, now seen corresponding path program 22 times [2025-04-25 02:14:34,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:14:34,530 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771536306] [2025-04-25 02:14:34,530 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:14:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:14:34,534 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:14:34,539 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:14:34,539 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:14:34,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:35,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:14:35,302 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771536306] [2025-04-25 02:14:35,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771536306] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:14:35,302 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279959944] [2025-04-25 02:14:35,302 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:14:35,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:14:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:14:35,304 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:14:35,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-04-25 02:14:35,341 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 65 statements into 2 equivalence classes. [2025-04-25 02:14:35,360 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-04-25 02:14:35,360 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:14:35,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:35,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:14:35,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:14:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 78 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:36,570 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:14:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:38,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279959944] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:14:38,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:14:38,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2025-04-25 02:14:38,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062603181] [2025-04-25 02:14:38,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:14:38,143 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-04-25 02:14:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:14:38,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-04-25 02:14:38,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=751, Invalid=8755, Unknown=0, NotChecked=0, Total=9506 [2025-04-25 02:14:38,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:38,144 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:14:38,145 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.969387755102041) internal successors, (193), 97 states have internal predecessors, (193), 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) [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:38,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2025-04-25 02:15:03,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:15:03,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2025-04-25 02:15:03,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:15:03,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2025-04-25 02:15:03,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2025-04-25 02:15:03,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-04-25 02:15:03,355 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:15:03,356 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 02:15:03,356 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:15:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1986102408, now seen corresponding path program 23 times [2025-04-25 02:15:03,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:15:03,356 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619331689] [2025-04-25 02:15:03,356 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:15:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:15:03,361 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 8 equivalence classes. [2025-04-25 02:15:03,371 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 02:15:03,371 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:15:03,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:15:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:15:04,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:15:04,189 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619331689] [2025-04-25 02:15:04,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619331689] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:15:04,189 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582932207] [2025-04-25 02:15:04,189 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:15:04,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:15:04,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:15:04,191 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 02:15:04,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-04-25 02:15:04,226 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 8 equivalence classes. [2025-04-25 02:15:04,248 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 02:15:04,248 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-25 02:15:04,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:15:04,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-25 02:15:04,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:15:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 78 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:15:05,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:15:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:15:07,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582932207] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:15:07,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:15:07,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-04-25 02:15:07,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207441125] [2025-04-25 02:15:07,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:15:07,244 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-25 02:15:07,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:15:07,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-25 02:15:07,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=790, Invalid=8522, Unknown=0, NotChecked=0, Total=9312 [2025-04-25 02:15:07,245 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:15:07,245 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:15:07,245 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 1.958762886597938) internal successors, (190), 96 states have internal predecessors, (190), 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) [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:15:07,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2025-04-25 02:15:07,246 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.