./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/fib_safe-10.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-10.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 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --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 02:06:23,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 02:06:23,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 02:06:23,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 02:06:23,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 02:06:23,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 02:06:23,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 02:06:23,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 02:06:23,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 02:06:23,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 02:06:23,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 02:06:23,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 02:06:23,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 02:06:23,330 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:06:23,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:23,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:23,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 02:06:23,331 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 02:06:23,331 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 -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 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 02:06:23,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 02:06:23,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 02:06:23,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 02:06:23,561 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-25 02:06:23,561 INFO L274 PluginConnector]: CDTParser initialized [2025-04-25 02:06:23,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/fib_safe-10.i [2025-04-25 02:06:24,882 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/29f8f0d21/e4a3456b3ee54f269dff9d2e58f85361/FLAG4e749870a [2025-04-25 02:06:25,124 INFO L389 CDTParser]: Found 1 translation units. [2025-04-25 02:06:25,125 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/fib_safe-10.i [2025-04-25 02:06:25,133 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/29f8f0d21/e4a3456b3ee54f269dff9d2e58f85361/FLAG4e749870a [2025-04-25 02:06:25,883 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/29f8f0d21/e4a3456b3ee54f269dff9d2e58f85361 [2025-04-25 02:06:25,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 02:06:25,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-25 02:06:25,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-25 02:06:25,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-25 02:06:25,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-25 02:06:25,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:06:25" (1/1) ... [2025-04-25 02:06:25,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353c4c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:25, skipping insertion in model container [2025-04-25 02:06:25,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 02:06:25" (1/1) ... [2025-04-25 02:06:25,915 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-25 02:06:26,113 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-10.i[30241,30254] [2025-04-25 02:06:26,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:06:26,136 INFO L200 MainTranslator]: Completed pre-run [2025-04-25 02:06:26,172 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-10.i[30241,30254] [2025-04-25 02:06:26,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 02:06:26,200 INFO L204 MainTranslator]: Completed translation [2025-04-25 02:06:26,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 02:06:26 WrapperNode [2025-04-25 02:06:26,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-25 02:06:26,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 02:06:26,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 02:06:26,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 02:06:26,206 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 02:06:26,219 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 02:06:26,233 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2025-04-25 02:06:26,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 02:06:26,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 02:06:26,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 02:06:26,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 02:06:26,239 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 02:06:26,240 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 02:06:26,242 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 02:06:26,242 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 02:06:26,247 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 02:06:26,248 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 02:06:26,249 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 02:06:26,250 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 02:06:26,251 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 02:06:26,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 02:06:26,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 02:06:26,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 02:06:26,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 02:06:26,256 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 02:06:26,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 02:06:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:26,282 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 02:06:26,284 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 02:06:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-25 02:06:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-25 02:06:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-25 02:06:26,300 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-25 02:06:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-25 02:06:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-25 02:06:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-25 02:06:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-25 02:06:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 02:06:26,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 02:06:26,301 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 02:06:26,394 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 02:06:26,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 02:06:26,527 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 02:06:26,528 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 02:06:26,605 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 02:06:26,606 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 02:06:26,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:06:26 BoogieIcfgContainer [2025-04-25 02:06:26,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 02:06:26,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 02:06:26,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 02:06:26,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 02:06:26,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.04 02:06:25" (1/3) ... [2025-04-25 02:06:26,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae22f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:06:26, skipping insertion in model container [2025-04-25 02:06:26,614 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 02:06:26,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae22f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 02:06:26, skipping insertion in model container [2025-04-25 02:06:26,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 02:06:26" (3/3) ... [2025-04-25 02:06:26,616 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_safe-10.i [2025-04-25 02:06:26,626 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 02:06:26,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_safe-10.i that has 3 procedures, 26 locations, 27 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 02:06:26,628 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 02:06:26,664 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-25 02:06:26,695 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:06:26,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 02:06:26,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:26,697 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 02:06:26,699 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 02:06:26,754 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 02:06:26,761 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 02:06:26,766 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;@7f520d70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 02:06:26,766 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-25 02:06:26,812 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 02:06:26,815 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:26,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2069511741, now seen corresponding path program 1 times [2025-04-25 02:06:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:26,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914032685] [2025-04-25 02:06:26,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:26,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:26,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 02:06:26,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 02:06:26,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:26,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,039 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 02:06:27,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:27,042 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914032685] [2025-04-25 02:06:27,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914032685] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:06:27,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:06:27,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 02:06:27,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14630941] [2025-04-25 02:06:27,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:06:27,047 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 02:06:27,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:27,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 02:06:27,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 02:06:27,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,065 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:27,065 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 02:06:27,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,102 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 02:06:27,102 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 02:06:27,103 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:27,103 INFO L85 PathProgramCache]: Analyzing trace with hash -2099572992, now seen corresponding path program 1 times [2025-04-25 02:06:27,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:27,103 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249228741] [2025-04-25 02:06:27,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:27,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:27,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 02:06:27,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 02:06:27,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:27,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,187 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 02:06:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:27,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249228741] [2025-04-25 02:06:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249228741] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:27,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484848814] [2025-04-25 02:06:27,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:27,190 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 02:06:27,192 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 02:06:27,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 02:06:27,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 02:06:27,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:27,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-25 02:06:27,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:27,279 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 02:06:27,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:27,301 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 02:06:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484848814] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:27,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:27,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-04-25 02:06:27,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233407475] [2025-04-25 02:06:27,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:27,305 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 02:06:27,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:27,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 02:06:27,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 02:06:27,306 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,307 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:27,308 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 02:06:27,308 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,308 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:27,351 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 02:06:27,545 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 02:06:27,545 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 02:06:27,546 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash 237873411, now seen corresponding path program 2 times [2025-04-25 02:06:27,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:27,546 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650502414] [2025-04-25 02:06:27,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:27,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:27,553 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-04-25 02:06:27,568 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 02:06:27,568 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:27,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,655 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 02:06:27,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:27,655 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650502414] [2025-04-25 02:06:27,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650502414] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:27,656 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335649538] [2025-04-25 02:06:27,656 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:27,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:27,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:27,658 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 02:06:27,659 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 02:06:27,693 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 19 statements into 2 equivalence classes. [2025-04-25 02:06:27,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 02:06:27,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:27,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:27,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-25 02:06:27,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:27,730 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 02:06:27,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335649538] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:27,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:27,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-04-25 02:06:27,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22436833] [2025-04-25 02:06:27,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:27,779 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 02:06:27,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:27,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 02:06:27,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-25 02:06:27,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,780 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:27,780 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 02:06:27,780 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,780 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:27,780 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:27,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:27,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:27,833 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:27,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 02:06:28,033 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 02:06:28,033 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 02:06:28,034 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:28,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1815611421, now seen corresponding path program 3 times [2025-04-25 02:06:28,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:28,034 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480941267] [2025-04-25 02:06:28,034 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:28,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:28,040 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 6 equivalence classes. [2025-04-25 02:06:28,069 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 02:06:28,073 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 02:06:28,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:28,285 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 02:06:28,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:28,285 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480941267] [2025-04-25 02:06:28,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480941267] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:28,285 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100570047] [2025-04-25 02:06:28,285 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:28,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:28,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:28,287 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 02:06:28,288 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 02:06:28,330 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 6 equivalence classes. [2025-04-25 02:06:28,355 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 02:06:28,356 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 02:06:28,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:28,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 02:06:28,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:28,386 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 02:06:28,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:28,581 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 02:06:28,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100570047] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:28,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:28,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2025-04-25 02:06:28,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739148891] [2025-04-25 02:06:28,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:28,582 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-25 02:06:28,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:28,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-25 02:06:28,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-04-25 02:06:28,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:28,583 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:28,583 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 25 states have internal predecessors, (39), 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 02:06:28,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:28,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:28,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:28,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:28,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:28,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:28,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:28,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:28,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-25 02:06:28,895 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 02:06:28,895 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 02:06:28,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:28,898 INFO L85 PathProgramCache]: Analyzing trace with hash -90268253, now seen corresponding path program 4 times [2025-04-25 02:06:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:28,898 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313809270] [2025-04-25 02:06:28,898 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:06:28,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:28,908 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 37 statements into 2 equivalence classes. [2025-04-25 02:06:28,942 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-04-25 02:06:28,942 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:06:28,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:30,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:30,398 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313809270] [2025-04-25 02:06:30,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313809270] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:30,398 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679095753] [2025-04-25 02:06:30,398 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:06:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:30,400 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 02:06:30,406 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 02:06:30,444 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 37 statements into 2 equivalence classes. [2025-04-25 02:06:30,470 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-04-25 02:06:30,470 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:06:30,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:30,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-04-25 02:06:30,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 210 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:31,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:33,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679095753] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:33,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:33,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 85 [2025-04-25 02:06:33,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911666287] [2025-04-25 02:06:33,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:33,270 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-25 02:06:33,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:33,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-25 02:06:33,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1202, Invalid=6108, Unknown=0, NotChecked=0, Total=7310 [2025-04-25 02:06:33,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:33,273 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:33,273 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 85 states have internal predecessors, (109), 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 02:06:33,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:33,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:33,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:33,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:33,274 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:35,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:35,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:35,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:35,576 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:35,579 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 02:06:35,585 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 02:06:35,779 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 02:06:35,779 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 02:06:35,780 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1508042216, now seen corresponding path program 1 times [2025-04-25 02:06:35,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:35,780 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22147980] [2025-04-25 02:06:35,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:35,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:35,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-25 02:06:35,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 02:06:35,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:35,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:36,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:36,909 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22147980] [2025-04-25 02:06:36,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22147980] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:36,910 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334800729] [2025-04-25 02:06:36,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:06:36,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:36,912 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 02:06:36,913 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 02:06:36,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-25 02:06:36,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 02:06:36,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:06:36,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:36,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-25 02:06:36,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 210 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:38,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:39,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334800729] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:39,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:39,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 90 [2025-04-25 02:06:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933337625] [2025-04-25 02:06:39,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:39,285 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-04-25 02:06:39,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:39,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-04-25 02:06:39,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1033, Invalid=7157, Unknown=0, NotChecked=0, Total=8190 [2025-04-25 02:06:39,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:39,289 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:39,289 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 90 states have internal predecessors, (126), 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 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 02:06:39,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 02:06:45,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:06:45,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-25 02:06:45,225 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 02:06:45,225 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 02:06:45,225 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:45,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2021573649, now seen corresponding path program 2 times [2025-04-25 02:06:45,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:45,226 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824868920] [2025-04-25 02:06:45,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:45,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:45,230 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-04-25 02:06:45,251 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 02:06:45,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:45,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:46,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:46,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824868920] [2025-04-25 02:06:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824868920] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:46,413 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746791265] [2025-04-25 02:06:46,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:06:46,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:46,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:46,415 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 02:06:46,417 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 02:06:46,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-04-25 02:06:46,477 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 02:06:46,477 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:06:46,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:46,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-04-25 02:06:46,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:06:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 210 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:47,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:06:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:49,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746791265] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:06:49,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:06:49,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 99 [2025-04-25 02:06:49,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030925656] [2025-04-25 02:06:49,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:06:49,029 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-04-25 02:06:49,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:06:49,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-04-25 02:06:49,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=8815, Unknown=0, NotChecked=0, Total=9900 [2025-04-25 02:06:49,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:49,032 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:06:49,032 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 1.51) internal successors, (151), 99 states have internal predecessors, (151), 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 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:06:49,032 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 02:06:57,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:06:57,806 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:06:57,812 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 02:06:58,007 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 02:06:58,007 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 02:06:58,007 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:06:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1530665729, now seen corresponding path program 3 times [2025-04-25 02:06:58,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:06:58,007 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822950728] [2025-04-25 02:06:58,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:58,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:06:58,012 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 73 statements into 12 equivalence classes. [2025-04-25 02:06:58,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 73 of 73 statements. [2025-04-25 02:06:58,050 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:06:58,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:06:59,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:06:59,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822950728] [2025-04-25 02:06:59,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822950728] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:06:59,426 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598565657] [2025-04-25 02:06:59,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:06:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:06:59,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:06:59,427 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 02:06:59,428 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 02:06:59,462 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 73 statements into 12 equivalence classes. [2025-04-25 02:06:59,492 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 73 of 73 statements. [2025-04-25 02:06:59,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:06:59,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:06:59,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-04-25 02:06:59,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 210 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:01,035 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:03,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598565657] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:03,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:03,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 121 [2025-04-25 02:07:03,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040414807] [2025-04-25 02:07:03,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:03,109 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2025-04-25 02:07:03,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:03,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2025-04-25 02:07:03,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1300, Invalid=13462, Unknown=0, NotChecked=0, Total=14762 [2025-04-25 02:07:03,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:03,112 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:03,112 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 1.778688524590164) internal successors, (217), 121 states have internal predecessors, (217), 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 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:03,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:13,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:13,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:13,846 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 02:07:14,040 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 02:07:14,041 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 02:07:14,041 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:14,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1801126121, now seen corresponding path program 4 times [2025-04-25 02:07:14,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:14,041 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614088547] [2025-04-25 02:07:14,041 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:07:14,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:14,046 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 99 statements into 2 equivalence classes. [2025-04-25 02:07:14,048 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 74 of 99 statements. [2025-04-25 02:07:14,048 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 02:07:14,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-04-25 02:07:14,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:14,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614088547] [2025-04-25 02:07:14,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614088547] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:07:14,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 02:07:14,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-04-25 02:07:14,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364598360] [2025-04-25 02:07:14,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:07:14,153 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 02:07:14,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:14,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 02:07:14,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-25 02:07:14,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:14,154 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:14,154 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 13 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:14,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:14,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:14,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:14,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:14,302 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-25 02:07:14,302 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 02:07:14,303 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash 984611804, now seen corresponding path program 1 times [2025-04-25 02:07:14,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:14,303 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550325669] [2025-04-25 02:07:14,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:07:14,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:14,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-25 02:07:14,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-25 02:07:14,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:07:14,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 225 proven. 55 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-04-25 02:07:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:14,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550325669] [2025-04-25 02:07:14,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550325669] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:14,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896630482] [2025-04-25 02:07:14,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 02:07:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:14,446 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 02:07:14,447 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 02:07:14,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-25 02:07:14,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-25 02:07:14,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:07:14,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:14,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 02:07:14,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-04-25 02:07:14,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 02:07:14,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896630482] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 02:07:14,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 02:07:14,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 14 [2025-04-25 02:07:14,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455911453] [2025-04-25 02:07:14,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 02:07:14,565 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 02:07:14,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:14,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 02:07:14,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2025-04-25 02:07:14,565 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:14,565 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:14,565 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 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 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:14,565 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:14,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:14,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-25 02:07:15,006 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 02:07:15,006 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 02:07:15,006 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash 251508784, now seen corresponding path program 5 times [2025-04-25 02:07:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:15,007 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841898276] [2025-04-25 02:07:15,007 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:07:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:15,012 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 95 statements into 12 equivalence classes. [2025-04-25 02:07:15,054 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:07:15,054 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:07:15,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 487 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:16,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:16,727 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841898276] [2025-04-25 02:07:16,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841898276] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:16,727 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272674849] [2025-04-25 02:07:16,727 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:07:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:16,730 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 02:07:16,731 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 02:07:16,762 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 95 statements into 12 equivalence classes. [2025-04-25 02:07:16,792 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:07:16,792 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:07:16,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:16,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:07:16,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 210 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:19,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 487 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272674849] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:22,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:22,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:07:22,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218434970] [2025-04-25 02:07:22,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:22,431 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:07:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:22,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:07:22,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1669, Invalid=19211, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:07:22,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:22,435 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:22,435 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.9517241379310344) internal successors, (283), 144 states have internal predecessors, (283), 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 02:07:22,435 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:22,435 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:22,435 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:22,435 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:22,435 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:22,436 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:36,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:36,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 02:07:36,423 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 02:07:36,617 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 02:07:36,617 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 02:07:36,617 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:36,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1235439573, now seen corresponding path program 6 times [2025-04-25 02:07:36,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:36,618 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121200003] [2025-04-25 02:07:36,618 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:07:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:36,622 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:07:36,671 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:07:36,675 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:07:36,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:38,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:07:38,229 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121200003] [2025-04-25 02:07:38,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121200003] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:07:38,229 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988982127] [2025-04-25 02:07:38,229 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:07:38,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:07:38,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:07:38,230 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 02:07:38,232 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 02:07:38,268 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:07:38,299 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:07:38,299 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:07:38,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:07:38,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:07:38,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:07:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 210 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:40,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:07:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:07:43,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988982127] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:07:43,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:07:43,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:07:43,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563564209] [2025-04-25 02:07:43,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:07:43,109 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:07:43,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:07:43,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:07:43,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1495, Invalid=19675, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:07:43,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:43,111 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:07:43,112 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 02:07:43,112 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:07:58,642 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:07:58,643 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-04-25 02:07:58,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-25 02:07:58,843 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 02:07:58,844 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 02:07:58,844 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:07:58,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1592606891, now seen corresponding path program 7 times [2025-04-25 02:07:58,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:07:58,844 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123539059] [2025-04-25 02:07:58,844 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:07:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:07:58,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-25 02:07:58,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:07:58,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:07:58,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:00,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:00,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123539059] [2025-04-25 02:08:00,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123539059] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:00,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219504644] [2025-04-25 02:08:00,390 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:08:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:00,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:00,392 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 02:08:00,393 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 02:08:00,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-25 02:08:00,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:08:00,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:08:00,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:00,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:08:00,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 210 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:02,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:05,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219504644] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:05,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:05,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:08:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440574928] [2025-04-25 02:08:05,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:05,231 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:08:05,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:05,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:08:05,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1455, Invalid=19425, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:08:05,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:05,233 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:05,233 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.986206896551724) internal successors, (288), 144 states have internal predecessors, (288), 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 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-04-25 02:08:05,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-04-25 02:08:19,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-04-25 02:08:19,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-04-25 02:08:19,667 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 02:08:19,862 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 02:08:19,862 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 02:08:19,862 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:08:19,862 INFO L85 PathProgramCache]: Analyzing trace with hash 360168213, now seen corresponding path program 8 times [2025-04-25 02:08:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:08:19,863 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364350113] [2025-04-25 02:08:19,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:08:19,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:08:19,867 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:08:19,875 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:08:19,875 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:08:19,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:21,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:21,400 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364350113] [2025-04-25 02:08:21,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364350113] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:21,400 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464456943] [2025-04-25 02:08:21,400 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:08:21,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:21,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:21,401 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 02:08:21,402 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 02:08:21,435 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:08:21,460 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:08:21,461 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:08:21,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:21,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:08:21,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 210 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:23,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:26,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464456943] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:26,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:26,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:08:26,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779096700] [2025-04-25 02:08:26,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:26,203 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:08:26,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:26,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:08:26,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1479, Invalid=19691, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:08:26,205 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:26,205 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:26,205 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-04-25 02:08:26,205 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:08:46,286 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 02:08:46,292 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 02:08:46,487 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 02:08:46,487 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 02:08:46,487 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:08:46,487 INFO L85 PathProgramCache]: Analyzing trace with hash -403365931, now seen corresponding path program 9 times [2025-04-25 02:08:46,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:08:46,487 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472367494] [2025-04-25 02:08:46,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:08:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:08:46,492 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:08:46,524 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:08:46,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:08:46,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:08:47,920 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472367494] [2025-04-25 02:08:47,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472367494] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:08:47,921 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624478378] [2025-04-25 02:08:47,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:08:47,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:08:47,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:08:47,922 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 02:08:47,923 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 02:08:47,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:08:47,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:08:47,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:08:47,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:08:47,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:08:47,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:08:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 210 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:50,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:08:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:08:52,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624478378] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:08:52,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:08:52,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:08:52,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298281324] [2025-04-25 02:08:52,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:08:52,820 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:08:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:08:52,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:08:52,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1481, Invalid=19689, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:08:52,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:08:52,822 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:08:52,822 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 02:08:52,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:08,886 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:09:08,887 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 02:09:08,894 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 02:09:09,088 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 02:09:09,088 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 02:09:09,088 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:09:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1549409173, now seen corresponding path program 10 times [2025-04-25 02:09:09,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:09:09,088 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536392242] [2025-04-25 02:09:09,088 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:09:09,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:09:09,092 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:09:09,100 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:09:09,100 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:09:09,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:09:10,741 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536392242] [2025-04-25 02:09:10,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536392242] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:09:10,741 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845969491] [2025-04-25 02:09:10,741 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:09:10,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:10,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:09:10,743 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 02:09:10,744 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 02:09:10,777 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:09:10,804 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:09:10,804 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:09:10,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:10,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:09:10,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:09:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 210 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:13,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:09:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:16,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845969491] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:09:16,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:09:16,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:09:16,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169941285] [2025-04-25 02:09:16,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:09:16,504 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:09:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:09:16,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:09:16,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1611, Invalid=19559, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:09:16,505 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:16,505 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:09:16,505 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:09:16,505 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:16,505 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:16,505 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 02:09:16,506 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:43,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:09:43,016 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:09:43,022 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 02:09:43,216 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 02:09:43,217 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 02:09:43,217 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:09:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash -151851179, now seen corresponding path program 11 times [2025-04-25 02:09:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:09:43,217 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571240216] [2025-04-25 02:09:43,217 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:09:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:09:43,221 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:09:43,244 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:09:43,244 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:09:43,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:44,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:09:44,806 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571240216] [2025-04-25 02:09:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571240216] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:09:44,806 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307862956] [2025-04-25 02:09:44,806 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:09:44,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:09:44,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:09:44,808 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 02:09:44,809 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 02:09:44,842 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:09:44,872 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:09:44,872 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:09:44,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:09:44,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:09:44,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:09:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 210 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:47,333 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:09:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:09:50,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307862956] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:09:50,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:09:50,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:09:50,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766358658] [2025-04-25 02:09:50,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:09:50,495 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:09:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:09:50,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:09:50,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1664, Invalid=19216, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:09:50,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:09:50,496 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:09:50,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.986206896551724) internal successors, (288), 144 states have internal predecessors, (288), 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 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:09:50,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:07,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:07,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:10:07,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-25 02:10:07,208 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 02:10:07,208 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 02:10:07,209 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:10:07,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1800923925, now seen corresponding path program 12 times [2025-04-25 02:10:07,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:10:07,209 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944510266] [2025-04-25 02:10:07,209 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:10:07,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:10:07,213 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:10:07,231 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:10:07,231 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:10:07,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:08,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:10:08,643 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944510266] [2025-04-25 02:10:08,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944510266] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:10:08,643 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644087057] [2025-04-25 02:10:08,643 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:10:08,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:08,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:10:08,644 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 02:10:08,645 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 02:10:08,678 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:10:08,707 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:10:08,707 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:10:08,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:08,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:10:08,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:10:10,722 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 210 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:10,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:10:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:13,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644087057] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:10:13,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:10:13,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:10:13,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24980225] [2025-04-25 02:10:13,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:10:13,486 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:10:13,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:10:13,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:10:13,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1482, Invalid=19688, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:10:13,488 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:13,488 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:10:13,488 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:10:13,488 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-25 02:10:13,489 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:30,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2025-04-25 02:10:30,859 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 02:10:31,054 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 02:10:31,054 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 02:10:31,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:10:31,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1154736208, now seen corresponding path program 13 times [2025-04-25 02:10:31,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:10:31,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376608739] [2025-04-25 02:10:31,054 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:10:31,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:10:31,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-04-25 02:10:31,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:10:31,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:10:31,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:10:32,448 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376608739] [2025-04-25 02:10:32,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376608739] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:10:32,449 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745445311] [2025-04-25 02:10:32,449 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:10:32,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:10:32,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:10:32,450 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 02:10:32,451 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 02:10:32,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-04-25 02:10:32,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:10:32,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:10:32,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:10:32,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:10:32,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:10:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 210 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:34,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:10:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:10:37,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745445311] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:10:37,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:10:37,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:10:37,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065742730] [2025-04-25 02:10:37,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:10:37,226 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:10:37,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:10:37,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:10:37,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1492, Invalid=19388, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:10:37,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:10:37,228 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:10:37,228 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.9517241379310344) internal successors, (283), 144 states have internal predecessors, (283), 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 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:10:37,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2025-04-25 02:10:37,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:11:00,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:00,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:00,352 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 02:11:00,546 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 02:11:00,546 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 02:11:00,547 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:11:00,547 INFO L85 PathProgramCache]: Analyzing trace with hash 320527580, now seen corresponding path program 2 times [2025-04-25 02:11:00,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:11:00,547 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978599840] [2025-04-25 02:11:00,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:11:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:11:00,590 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:11:00,608 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:11:00,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:11:00,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:11:02,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978599840] [2025-04-25 02:11:02,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978599840] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:11:02,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501372415] [2025-04-25 02:11:02,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:11:02,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:11:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:11:02,154 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 02:11:02,155 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 02:11:02,222 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:11:02,250 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:11:02,250 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:11:02,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:02,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:11:02,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:11:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 210 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:04,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:11:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:07,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501372415] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:11:07,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:11:07,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:11:07,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367029174] [2025-04-25 02:11:07,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:11:07,167 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:11:07,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:11:07,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:11:07,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1459, Invalid=19421, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:11:07,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:07,168 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:11:07,169 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.993103448275862) internal successors, (289), 144 states have internal predecessors, (289), 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 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:11:07,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2025-04-25 02:11:07,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:07,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-04-25 02:11:07,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:36,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:36,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:11:36,706 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 02:11:36,901 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 02:11:36,901 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 02:11:36,901 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:11:36,901 INFO L85 PathProgramCache]: Analyzing trace with hash -710217771, now seen corresponding path program 14 times [2025-04-25 02:11:36,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:11:36,901 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651715596] [2025-04-25 02:11:36,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:11:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:11:36,905 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:11:36,912 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:11:36,912 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:11:36,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:38,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:11:38,324 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651715596] [2025-04-25 02:11:38,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651715596] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:11:38,324 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959331304] [2025-04-25 02:11:38,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:11:38,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:11:38,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:11:38,326 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 02:11:38,327 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 02:11:38,360 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:11:38,390 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:11:38,390 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:11:38,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:11:38,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:11:38,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:11:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 210 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:40,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:11:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:11:43,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959331304] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:11:43,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:11:43,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:11:43,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685013374] [2025-04-25 02:11:43,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:11:43,151 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:11:43,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:11:43,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:11:43,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=19687, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:11:43,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:11:43,153 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:11:43,153 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:43,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:11:43,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:11:43,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:00,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:12:00,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:12:00,158 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 02:12:00,352 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 02:12:00,352 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 02:12:00,353 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:12:00,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1242557333, now seen corresponding path program 15 times [2025-04-25 02:12:00,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:12:00,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515555436] [2025-04-25 02:12:00,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:12:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:12:00,357 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:12:00,378 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:12:00,378 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:12:00,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:12:01,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515555436] [2025-04-25 02:12:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515555436] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:12:01,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800711031] [2025-04-25 02:12:01,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:12:01,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:12:01,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:12:01,775 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 02:12:01,776 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 02:12:01,810 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:12:01,840 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:12:01,840 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:12:01,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:01,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:12:01,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:12:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 210 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:03,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:12:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800711031] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:12:06,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:12:06,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:12:06,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589171600] [2025-04-25 02:12:06,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:12:06,727 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:12:06,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:12:06,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:12:06,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1473, Invalid=19697, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:12:06,729 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:06,729 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:12:06,729 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-25 02:12:06,729 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:29,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:29,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:29,910 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 02:12:30,105 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 02:12:30,105 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 02:12:30,105 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:12:30,105 INFO L85 PathProgramCache]: Analyzing trace with hash -915392427, now seen corresponding path program 16 times [2025-04-25 02:12:30,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:12:30,105 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023336693] [2025-04-25 02:12:30,105 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:12:30,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:12:30,109 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:12:30,116 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:12:30,117 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:12:30,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:31,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:12:31,688 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023336693] [2025-04-25 02:12:31,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023336693] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:12:31,688 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114084517] [2025-04-25 02:12:31,688 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 02:12:31,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:12:31,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:12:31,689 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 02:12:31,690 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 02:12:31,723 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-04-25 02:12:31,749 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:12:31,749 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-25 02:12:31,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:12:31,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:12:31,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:12:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 210 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:34,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:12:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:12:37,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114084517] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:12:37,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:12:37,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:12:37,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938638437] [2025-04-25 02:12:37,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:12:37,366 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:12:37,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:12:37,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:12:37,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1624, Invalid=19546, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:12:37,368 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:12:37,368 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:12:37,368 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 177 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-04-25 02:12:37,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2025-04-25 02:12:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:12:37,369 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:22,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:13:22,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:22,616 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 02:13:22,810 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 02:13:22,810 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 02:13:22,811 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:13:22,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1880154283, now seen corresponding path program 17 times [2025-04-25 02:13:22,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:13:22,811 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253417621] [2025-04-25 02:13:22,811 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:13:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:13:22,814 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:13:22,832 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:13:22,832 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:13:22,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:24,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:13:24,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253417621] [2025-04-25 02:13:24,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253417621] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:13:24,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104364747] [2025-04-25 02:13:24,395 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 02:13:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:13:24,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:13:24,397 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 02:13:24,397 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 02:13:24,430 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:13:24,458 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:13:24,458 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-25 02:13:24,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:24,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:13:24,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:13:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 210 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:26,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:13:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 505 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:29,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104364747] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:13:29,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:13:29,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:13:29,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469026966] [2025-04-25 02:13:29,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:13:29,910 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:13:29,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:13:29,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:13:29,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1666, Invalid=19214, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:13:29,912 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:29,912 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:13:29,912 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.986206896551724) internal successors, (288), 144 states have internal predecessors, (288), 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 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:29,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:13:48,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:48,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:13:48,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-04-25 02:13:48,233 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 02:13:48,233 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 02:13:48,234 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:13:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 72620821, now seen corresponding path program 18 times [2025-04-25 02:13:48,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:13:48,234 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392814060] [2025-04-25 02:13:48,234 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:13:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:13:48,237 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:13:48,259 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:13:48,259 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:13:48,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:49,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:13:49,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392814060] [2025-04-25 02:13:49,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392814060] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:13:49,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302881235] [2025-04-25 02:13:49,677 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 02:13:49,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:13:49,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:13:49,678 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 02:13:49,679 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 02:13:49,712 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 97 statements into 12 equivalence classes. [2025-04-25 02:13:49,741 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 97 of 97 statements. [2025-04-25 02:13:49,741 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-25 02:13:49,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:13:49,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:13:49,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:13:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 210 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:51,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:13:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:13:54,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302881235] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:13:54,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:13:54,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 145 [2025-04-25 02:13:54,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674780515] [2025-04-25 02:13:54,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:13:54,608 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-25 02:13:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:13:54,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-25 02:13:54,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1484, Invalid=19686, Unknown=0, NotChecked=0, Total=21170 [2025-04-25 02:13:54,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:13:54,610 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:13:54,611 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 1.9794520547945205) internal successors, (289), 145 states have internal predecessors, (289), 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 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2025-04-25 02:13:54,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:14:16,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:14:16,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2025-04-25 02:14:16,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-25 02:14:16,741 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 02:14:16,741 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 02:14:16,741 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:14:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash -982233168, now seen corresponding path program 19 times [2025-04-25 02:14:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:14:16,742 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362297314] [2025-04-25 02:14:16,742 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:14:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:14:16,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-04-25 02:14:16,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:14:16,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:14:16,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:18,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:14:18,180 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362297314] [2025-04-25 02:14:18,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362297314] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:14:18,180 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331522074] [2025-04-25 02:14:18,180 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 02:14:18,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:14:18,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:14:18,181 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 02:14:18,183 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 02:14:18,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-04-25 02:14:18,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:14:18,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 02:14:18,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:18,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:14:18,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:14:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 210 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:20,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:14:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:22,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331522074] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:14:22,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:14:22,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:14:22,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044389555] [2025-04-25 02:14:22,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:14:22,921 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:14:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:14:22,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:14:22,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=19395, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:14:22,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:22,923 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:14:22,923 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.9517241379310344) internal successors, (283), 144 states have internal predecessors, (283), 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 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:14:22,923 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2025-04-25 02:14:22,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-04-25 02:14:47,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:47,082 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 02:14:47,277 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 02:14:47,277 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 02:14:47,277 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:14:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1527735184, now seen corresponding path program 20 times [2025-04-25 02:14:47,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:14:47,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573481080] [2025-04-25 02:14:47,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:14:47,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:14:47,281 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-04-25 02:14:47,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:14:47,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:14:47,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:48,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 02:14:48,729 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573481080] [2025-04-25 02:14:48,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573481080] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 02:14:48,729 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999868081] [2025-04-25 02:14:48,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 02:14:48,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 02:14:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 02:14:48,731 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 02:14:48,732 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 02:14:48,765 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-04-25 02:14:48,790 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:14:48,790 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 02:14:48,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 02:14:48,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-04-25 02:14:48,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 02:14:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 210 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:50,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 02:14:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 425 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 02:14:53,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999868081] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 02:14:53,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 02:14:53,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2025-04-25 02:14:53,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601601968] [2025-04-25 02:14:53,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 02:14:53,519 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 02:14:53,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 02:14:53,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 02:14:53,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1468, Invalid=19412, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 02:14:53,522 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:14:53,522 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 02:14:53,523 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.9517241379310344) internal successors, (283), 144 states have internal predecessors, (283), 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 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:14:53,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:14:53,524 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 02:15:18,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 02:15:18,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 02:15:18,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2025-04-25 02:15:18,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 02:15:18,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2025-04-25 02:15:18,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-25 02:15:18,980 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 02:15:19,175 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 02:15:19,175 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 02:15:19,175 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 02:15:19,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1973452720, now seen corresponding path program 21 times [2025-04-25 02:15:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 02:15:19,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565899292] [2025-04-25 02:15:19,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 02:15:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 02:15:19,179 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 95 statements into 12 equivalence classes. [2025-04-25 02:15:19,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 95 of 95 statements. [2025-04-25 02:15:19,195 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 02:15:19,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat