./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-19 14:37:23,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 14:37:23,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 14:37:23,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 14:37:23,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 14:37:23,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 14:37:23,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 14:37:23,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 14:37:23,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 14:37:23,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 14:37:23,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 14:37:23,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 14:37:23,808 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 14:37:23,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 14:37:23,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 14:37:23,808 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 14:37:23,809 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 14:37:23,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 14:37:23,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 14:37:23,811 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 14:37:23,811 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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe 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 [2025-03-19 14:37:24,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 14:37:24,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 14:37:24,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 14:37:24,036 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 14:37:24,036 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 14:37:24,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2025-03-19 14:37:25,355 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a8ac5cd71/13eb36f452c541babdf1e50758971016/FLAG23447eb8d [2025-03-19 14:37:25,523 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 14:37:25,526 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2025-03-19 14:37:25,534 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a8ac5cd71/13eb36f452c541babdf1e50758971016/FLAG23447eb8d [2025-03-19 14:37:26,405 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a8ac5cd71/13eb36f452c541babdf1e50758971016 [2025-03-19 14:37:26,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 14:37:26,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 14:37:26,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 14:37:26,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 14:37:26,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 14:37:26,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36948cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26, skipping insertion in model container [2025-03-19 14:37:26,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 14:37:26,546 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2025-03-19 14:37:26,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 14:37:26,561 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 14:37:26,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4270,4283] [2025-03-19 14:37:26,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 14:37:26,599 INFO L204 MainTranslator]: Completed translation [2025-03-19 14:37:26,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26 WrapperNode [2025-03-19 14:37:26,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 14:37:26,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 14:37:26,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 14:37:26,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 14:37:26,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,637 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 278 [2025-03-19 14:37:26,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 14:37:26,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 14:37:26,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 14:37:26,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 14:37:26,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 14:37:26,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 14:37:26,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 14:37:26,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 14:37:26,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (1/1) ... [2025-03-19 14:37:26,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 14:37:26,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:26,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-19 14:37:26,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 14:37:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 14:37:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 14:37:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 14:37:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-19 14:37:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-19 14:37:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 14:37:26,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 14:37:26,729 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-19 14:37:26,807 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 14:37:26,808 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 14:37:27,134 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 14:37:27,135 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 14:37:27,371 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 14:37:27,372 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 14:37:27,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 02:37:27 BoogieIcfgContainer [2025-03-19 14:37:27,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 14:37:27,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 14:37:27,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 14:37:27,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 14:37:27,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 02:37:26" (1/3) ... [2025-03-19 14:37:27,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6069e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 02:37:27, skipping insertion in model container [2025-03-19 14:37:27,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 02:37:26" (2/3) ... [2025-03-19 14:37:27,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d6069e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 02:37:27, skipping insertion in model container [2025-03-19 14:37:27,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 02:37:27" (3/3) ... [2025-03-19 14:37:27,382 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2025-03-19 14:37:27,392 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 14:37:27,394 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult.wvr.c that has 5 procedures, 45 locations, 46 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-03-19 14:37:27,395 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 14:37:27,464 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-19 14:37:27,495 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 14:37:27,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 14:37:27,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:27,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-19 14:37:27,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-19 14:37:27,562 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 14:37:27,569 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 14:37:27,574 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;@58bf500c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 14:37:27,574 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-19 14:37:28,594 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:28,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:28,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1087846709, now seen corresponding path program 1 times [2025-03-19 14:37:28,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:28,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935869272] [2025-03-19 14:37:28,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 14:37:28,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:28,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-19 14:37:28,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-19 14:37:28,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:28,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 14:37:29,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935869272] [2025-03-19 14:37:29,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935869272] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:29,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 14:37:29,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-19 14:37:29,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890780167] [2025-03-19 14:37:29,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:29,573 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 14:37:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:29,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 14:37:29,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 14:37:29,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:29,590 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:29,591 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:29,591 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:29,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:29,689 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 14:37:29,690 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:29,690 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:29,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1978522605, now seen corresponding path program 1 times [2025-03-19 14:37:29,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:29,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318158271] [2025-03-19 14:37:29,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 14:37:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:29,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-03-19 14:37:29,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-03-19 14:37:29,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:29,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:30,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:30,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318158271] [2025-03-19 14:37:30,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318158271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:30,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 14:37:30,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-19 14:37:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940012870] [2025-03-19 14:37:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:30,084 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 14:37:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:30,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 14:37:30,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 14:37:30,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:30,088 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:30,088 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:30,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:30,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:30,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:30,180 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:30,180 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-19 14:37:30,180 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:30,181 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1698246504, now seen corresponding path program 1 times [2025-03-19 14:37:30,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:30,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185064091] [2025-03-19 14:37:30,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 14:37:30,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:30,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-19 14:37:30,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-19 14:37:30,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:30,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:30,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:30,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185064091] [2025-03-19 14:37:30,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185064091] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:30,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733933110] [2025-03-19 14:37:30,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 14:37:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:30,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:30,720 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:30,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-19 14:37:30,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-19 14:37:30,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-19 14:37:30,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:30,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:30,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-19 14:37:30,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:30,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:31,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733933110] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:31,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:31,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-03-19 14:37:31,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373514586] [2025-03-19 14:37:31,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:31,139 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-19 14:37:31,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:31,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-19 14:37:31,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-03-19 14:37:31,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:31,141 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:31,141 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:31,141 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:31,142 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:31,142 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:31,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:31,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:31,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:31,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-19 14:37:31,546 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-19 14:37:31,550 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:31,550 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -457202352, now seen corresponding path program 2 times [2025-03-19 14:37:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532456035] [2025-03-19 14:37:31,550 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:37:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:31,573 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 143 statements into 2 equivalence classes. [2025-03-19 14:37:31,612 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 140 of 143 statements. [2025-03-19 14:37:31,612 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-19 14:37:31,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-19 14:37:32,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:32,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532456035] [2025-03-19 14:37:32,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532456035] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:32,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 14:37:32,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-19 14:37:32,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757313946] [2025-03-19 14:37:32,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:32,335 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-19 14:37:32,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:32,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-19 14:37:32,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-03-19 14:37:32,336 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:32,336 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:32,336 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 12 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:32,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,336 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:32,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,485 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-19 14:37:32,485 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:32,486 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1103490486, now seen corresponding path program 3 times [2025-03-19 14:37:32,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:32,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010636004] [2025-03-19 14:37:32,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:37:32,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:32,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 115 statements into 4 equivalence classes. [2025-03-19 14:37:32,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 115 statements. [2025-03-19 14:37:32,512 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-19 14:37:32,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-19 14:37:32,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:32,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010636004] [2025-03-19 14:37:32,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010636004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:32,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 14:37:32,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-19 14:37:32,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567860667] [2025-03-19 14:37:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:32,704 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-19 14:37:32,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:32,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-19 14:37:32,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-19 14:37:32,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:32,705 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:32,705 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:32,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:32,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:32,881 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:32,881 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-19 14:37:32,881 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:32,882 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1156845906, now seen corresponding path program 4 times [2025-03-19 14:37:32,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:32,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817736270] [2025-03-19 14:37:32,882 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:32,899 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 144 statements into 2 equivalence classes. [2025-03-19 14:37:32,939 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-03-19 14:37:32,939 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:32,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:33,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817736270] [2025-03-19 14:37:33,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817736270] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:33,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557309001] [2025-03-19 14:37:33,436 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:33,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:33,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:33,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:33,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-19 14:37:33,522 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 144 statements into 2 equivalence classes. [2025-03-19 14:37:33,599 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-03-19 14:37:33,599 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:33,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:33,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-19 14:37:33,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 77 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:34,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:34,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557309001] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:34,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:34,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 39 [2025-03-19 14:37:34,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411101258] [2025-03-19 14:37:34,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:34,690 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-03-19 14:37:34,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:34,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-03-19 14:37:34,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=1091, Unknown=0, NotChecked=0, Total=1560 [2025-03-19 14:37:34,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:34,691 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:34,691 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.375) internal successors, (375), 39 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:34,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:34,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:34,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:34,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:34,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:34,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:34,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:34,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:35,036 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:35,036 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:35,037 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:35,037 INFO L85 PathProgramCache]: Analyzing trace with hash 265542830, now seen corresponding path program 5 times [2025-03-19 14:37:35,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:35,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52011524] [2025-03-19 14:37:35,037 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:35,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:35,052 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 148 statements into 4 equivalence classes. [2025-03-19 14:37:35,197 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 148 of 148 statements. [2025-03-19 14:37:35,197 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-03-19 14:37:35,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 14:37:35,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:35,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52011524] [2025-03-19 14:37:35,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52011524] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:35,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771155554] [2025-03-19 14:37:35,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:35,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:35,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:35,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:35,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-19 14:37:35,800 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 148 statements into 4 equivalence classes. [2025-03-19 14:37:35,878 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 148 of 148 statements. [2025-03-19 14:37:35,879 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-03-19 14:37:35,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:35,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-19 14:37:35,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 14:37:36,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 14:37:36,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771155554] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:36,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:36,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 31 [2025-03-19 14:37:36,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889229435] [2025-03-19 14:37:36,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:36,268 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-03-19 14:37:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:36,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-03-19 14:37:36,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2025-03-19 14:37:36,270 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:36,270 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:36,270 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.03225806451613) internal successors, (280), 31 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:36,270 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:36,270 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:36,270 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:36,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:36,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:36,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:36,271 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:36,532 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:36,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:36,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:36,734 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:36,734 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:36,734 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:36,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1451649551, now seen corresponding path program 6 times [2025-03-19 14:37:36,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:36,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888225224] [2025-03-19 14:37:36,735 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 14:37:36,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:36,750 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 152 statements into 5 equivalence classes. [2025-03-19 14:37:36,913 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 112 of 152 statements. [2025-03-19 14:37:36,914 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-03-19 14:37:36,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-03-19 14:37:37,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:37,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888225224] [2025-03-19 14:37:37,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888225224] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:37,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 14:37:37,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-19 14:37:37,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299660856] [2025-03-19 14:37:37,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:37,234 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-19 14:37:37,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:37,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-19 14:37:37,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-19 14:37:37,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:37,235 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:37,235 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:37,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:37,793 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:37,793 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:37,793 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:37,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:37,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:37,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:37,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:37,794 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:37,794 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-19 14:37:37,794 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:37,794 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:37,795 INFO L85 PathProgramCache]: Analyzing trace with hash 603064246, now seen corresponding path program 7 times [2025-03-19 14:37:37,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:37,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024494456] [2025-03-19 14:37:37,795 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:37:37,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:37,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-03-19 14:37:37,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-03-19 14:37:37,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:37,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 158 proven. 184 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-03-19 14:37:38,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024494456] [2025-03-19 14:37:38,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024494456] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:38,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947445637] [2025-03-19 14:37:38,601 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:37:38,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:38,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:38,605 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:38,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-19 14:37:38,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 219 statements into 1 equivalence classes. [2025-03-19 14:37:38,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 219 of 219 statements. [2025-03-19 14:37:38,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:38,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:38,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-19 14:37:38,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2025-03-19 14:37:38,868 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-19 14:37:38,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947445637] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 14:37:38,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-19 14:37:38,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2025-03-19 14:37:38,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216006624] [2025-03-19 14:37:38,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:38,869 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 14:37:38,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:38,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 14:37:38,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2025-03-19 14:37:38,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:38,870 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:38,870 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:38,870 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:38,870 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:38,871 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:38,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:38,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:38,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:38,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:38,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:38,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-19 14:37:39,185 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-19 14:37:39,186 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:39,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1391008124, now seen corresponding path program 8 times [2025-03-19 14:37:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:39,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415647217] [2025-03-19 14:37:39,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:37:39,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:39,205 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-03-19 14:37:39,263 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-03-19 14:37:39,263 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:37:39,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 70 proven. 59 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 14:37:39,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415647217] [2025-03-19 14:37:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415647217] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:39,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895511070] [2025-03-19 14:37:39,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:37:39,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:39,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:39,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:39,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-19 14:37:39,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-03-19 14:37:39,748 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-03-19 14:37:39,748 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:37:39,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:39,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-19 14:37:39,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-19 14:37:40,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 93 proven. 35 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-19 14:37:40,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895511070] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:40,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:40,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2025-03-19 14:37:40,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266348549] [2025-03-19 14:37:40,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:40,314 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-19 14:37:40,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:40,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-19 14:37:40,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2025-03-19 14:37:40,315 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:40,315 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:40,316 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.5) internal successors, (225), 30 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:40,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:40,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,317 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:40,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:40,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-19 14:37:40,665 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-19 14:37:40,665 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:40,666 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1222057039, now seen corresponding path program 9 times [2025-03-19 14:37:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:40,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951829001] [2025-03-19 14:37:40,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:37:40,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:40,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 169 statements into 5 equivalence classes. [2025-03-19 14:37:40,697 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 69 of 169 statements. [2025-03-19 14:37:40,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-19 14:37:40,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-03-19 14:37:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951829001] [2025-03-19 14:37:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951829001] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663682279] [2025-03-19 14:37:40,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:37:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:40,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:40,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-19 14:37:40,993 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 169 statements into 5 equivalence classes. [2025-03-19 14:37:41,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 69 of 169 statements. [2025-03-19 14:37:41,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-19 14:37:41,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:41,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-19 14:37:41,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-03-19 14:37:41,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-19 14:37:41,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663682279] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:41,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-19 14:37:41,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 8] total 16 [2025-03-19 14:37:41,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836244419] [2025-03-19 14:37:41,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 14:37:41,254 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-19 14:37:41,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:41,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-19 14:37:41,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-03-19 14:37:41,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:41,255 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:41,255 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:41,255 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:41,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:41,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:41,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:41,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:41,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:41,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:41,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-19 14:37:41,583 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-19 14:37:41,583 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:41,583 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash -176565644, now seen corresponding path program 10 times [2025-03-19 14:37:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:41,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982249385] [2025-03-19 14:37:41,584 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:41,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:41,601 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 165 statements into 2 equivalence classes. [2025-03-19 14:37:41,635 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 165 of 165 statements. [2025-03-19 14:37:41,635 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:41,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 138 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 14:37:42,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:42,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982249385] [2025-03-19 14:37:42,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982249385] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:42,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990627354] [2025-03-19 14:37:42,197 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:42,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:42,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:42,199 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:42,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-19 14:37:42,291 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 165 statements into 2 equivalence classes. [2025-03-19 14:37:42,358 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 165 of 165 statements. [2025-03-19 14:37:42,358 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:42,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:42,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-19 14:37:42,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 146 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 14:37:43,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:43,656 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 132 proven. 42 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 14:37:43,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990627354] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:43,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:43,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 60 [2025-03-19 14:37:43,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119027421] [2025-03-19 14:37:43,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:43,657 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-03-19 14:37:43,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:43,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-03-19 14:37:43,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=910, Invalid=2750, Unknown=0, NotChecked=0, Total=3660 [2025-03-19 14:37:43,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:43,658 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:43,659 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.180327868852459) internal successors, (438), 60 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:43,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:43,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:43,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:43,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:44,078 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:44,078 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:44,078 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:44,078 INFO L85 PathProgramCache]: Analyzing trace with hash -235758404, now seen corresponding path program 11 times [2025-03-19 14:37:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850743924] [2025-03-19 14:37:44,078 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:44,097 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 7 equivalence classes. [2025-03-19 14:37:44,253 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 170 of 170 statements. [2025-03-19 14:37:44,253 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-03-19 14:37:44,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 71 proven. 78 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-03-19 14:37:44,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:44,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850743924] [2025-03-19 14:37:44,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850743924] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:44,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567800101] [2025-03-19 14:37:44,637 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:44,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:44,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:44,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:44,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-19 14:37:44,721 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 170 statements into 7 equivalence classes. [2025-03-19 14:37:45,008 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 170 of 170 statements. [2025-03-19 14:37:45,009 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-03-19 14:37:45,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:45,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-19 14:37:45,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-19 14:37:45,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 110 proven. 29 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-19 14:37:45,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567800101] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:45,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:45,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2025-03-19 14:37:45,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018900337] [2025-03-19 14:37:45,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:45,783 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-19 14:37:45,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:45,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-19 14:37:45,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=1305, Unknown=0, NotChecked=0, Total=1722 [2025-03-19 14:37:45,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:45,784 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:45,784 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.666666666666667) internal successors, (322), 42 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:45,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:45,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:45,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:45,785 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,038 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:46,238 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:46,239 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:46,239 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1514191639, now seen corresponding path program 12 times [2025-03-19 14:37:46,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:46,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324290373] [2025-03-19 14:37:46,239 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 14:37:46,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:46,255 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 171 statements into 7 equivalence classes. [2025-03-19 14:37:46,280 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 67 of 171 statements. [2025-03-19 14:37:46,280 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-19 14:37:46,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-03-19 14:37:46,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:46,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324290373] [2025-03-19 14:37:46,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324290373] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:46,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681040161] [2025-03-19 14:37:46,418 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 14:37:46,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:46,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:46,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-19 14:37:46,509 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 171 statements into 7 equivalence classes. [2025-03-19 14:37:46,546 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 67 of 171 statements. [2025-03-19 14:37:46,546 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-19 14:37:46,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:46,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-19 14:37:46,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-03-19 14:37:46,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-03-19 14:37:46,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681040161] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:46,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:46,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 16 [2025-03-19 14:37:46,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34350102] [2025-03-19 14:37:46,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:46,715 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-19 14:37:46,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:46,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-19 14:37:46,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-03-19 14:37:46,716 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:46,716 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:46,716 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:46,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:46,992 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:46,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:46,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:47,193 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-19 14:37:47,193 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:47,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1056056252, now seen corresponding path program 13 times [2025-03-19 14:37:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:47,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824948251] [2025-03-19 14:37:47,194 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:37:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:47,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-19 14:37:47,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-19 14:37:47,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:47,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 115 proven. 39 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-03-19 14:37:47,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:47,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824948251] [2025-03-19 14:37:47,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824948251] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:47,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088195636] [2025-03-19 14:37:47,687 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:37:47,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:47,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:47,689 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:47,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-19 14:37:47,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-19 14:37:47,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-19 14:37:47,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:37:47,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:47,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-19 14:37:47,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 133 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-03-19 14:37:48,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 89 proven. 65 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-03-19 14:37:48,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088195636] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:48,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:48,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2025-03-19 14:37:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549017382] [2025-03-19 14:37:48,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:48,512 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-19 14:37:48,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:48,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-19 14:37:48,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=1330, Unknown=0, NotChecked=0, Total=1722 [2025-03-19 14:37:48,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:48,513 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:48,513 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 7.214285714285714) internal successors, (303), 42 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:48,513 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:48,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:48,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:48,684 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:48,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-19 14:37:48,885 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:48,885 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:48,886 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:48,886 INFO L85 PathProgramCache]: Analyzing trace with hash 81869279, now seen corresponding path program 14 times [2025-03-19 14:37:48,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:48,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049938013] [2025-03-19 14:37:48,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:37:48,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:48,910 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 189 statements into 2 equivalence classes. [2025-03-19 14:37:48,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-03-19 14:37:48,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:37:48,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 73 proven. 179 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-19 14:37:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049938013] [2025-03-19 14:37:49,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049938013] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803951133] [2025-03-19 14:37:49,744 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:37:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:49,746 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:49,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-19 14:37:49,845 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 189 statements into 2 equivalence classes. [2025-03-19 14:37:49,920 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-03-19 14:37:49,920 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:37:49,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:49,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-19 14:37:49,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 172 proven. 78 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-19 14:37:50,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 153 proven. 97 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-03-19 14:37:51,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803951133] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:51,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:51,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 77 [2025-03-19 14:37:51,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257962399] [2025-03-19 14:37:51,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:51,517 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-03-19 14:37:51,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:51,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-03-19 14:37:51,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=4828, Unknown=0, NotChecked=0, Total=6006 [2025-03-19 14:37:51,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:51,519 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:51,519 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 5.858974358974359) internal successors, (457), 77 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:51,519 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:51,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:51,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:51,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:37:51,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-19 14:37:51,903 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-19 14:37:51,904 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:51,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:51,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1013301721, now seen corresponding path program 15 times [2025-03-19 14:37:51,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:51,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031267286] [2025-03-19 14:37:51,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:37:51,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:51,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 190 statements into 8 equivalence classes. [2025-03-19 14:37:51,996 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 190 statements. [2025-03-19 14:37:51,996 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 14:37:51,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-03-19 14:37:52,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:52,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031267286] [2025-03-19 14:37:52,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031267286] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:52,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098866153] [2025-03-19 14:37:52,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:37:52,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:52,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:52,349 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:52,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-19 14:37:52,445 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 190 statements into 8 equivalence classes. [2025-03-19 14:37:52,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 190 statements. [2025-03-19 14:37:52,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-19 14:37:52,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:52,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-19 14:37:52,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 81 proven. 51 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-03-19 14:37:52,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 86 proven. 46 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-03-19 14:37:53,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098866153] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:53,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:53,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 20, 17] total 38 [2025-03-19 14:37:53,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181794646] [2025-03-19 14:37:53,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:53,379 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-19 14:37:53,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:53,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-19 14:37:53,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2025-03-19 14:37:53,380 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:53,380 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:53,380 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.657894736842105) internal successors, (215), 38 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:53,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:53,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:53,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:53,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:53,380 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:37:53,381 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:37:54,307 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:37:54,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:54,508 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-19 14:37:54,508 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:54,508 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:54,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1085556914, now seen corresponding path program 16 times [2025-03-19 14:37:54,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:54,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064358372] [2025-03-19 14:37:54,509 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:54,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:54,544 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 261 statements into 2 equivalence classes. [2025-03-19 14:37:54,595 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 14:37:54,595 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:54,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 73 proven. 403 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2025-03-19 14:37:55,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064358372] [2025-03-19 14:37:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064358372] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089607507] [2025-03-19 14:37:55,194 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:37:55,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:55,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:55,197 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:55,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-19 14:37:55,316 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 261 statements into 2 equivalence classes. [2025-03-19 14:37:55,408 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 14:37:55,408 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:37:55,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:55,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-19 14:37:55,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:37:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 691 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-19 14:37:56,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:37:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 810 backedges. 624 proven. 95 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-19 14:37:56,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089607507] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:37:56,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:37:56,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 27, 27] total 56 [2025-03-19 14:37:56,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231056409] [2025-03-19 14:37:56,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:37:56,873 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-03-19 14:37:56,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:37:56,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-03-19 14:37:56,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=872, Invalid=2208, Unknown=0, NotChecked=0, Total=3080 [2025-03-19 14:37:56,875 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:56,875 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:37:56,875 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 9.803571428571429) internal successors, (549), 56 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:37:56,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:56,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:56,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:56,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:37:56,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:37:57,301 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:37:57,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:37:57,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-19 14:37:57,503 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-19 14:37:57,503 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:37:57,504 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:37:57,504 INFO L85 PathProgramCache]: Analyzing trace with hash 13427540, now seen corresponding path program 17 times [2025-03-19 14:37:57,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:37:57,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453735252] [2025-03-19 14:37:57,504 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:37:57,523 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 261 statements into 11 equivalence classes. [2025-03-19 14:37:57,883 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 14:37:57,884 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-19 14:37:57,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:37:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 550 proven. 258 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-19 14:37:59,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:37:59,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453735252] [2025-03-19 14:37:59,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453735252] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:37:59,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889857673] [2025-03-19 14:37:59,108 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:37:59,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:37:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:37:59,110 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:37:59,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-19 14:37:59,221 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 261 statements into 11 equivalence classes. [2025-03-19 14:38:53,969 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 14:38:53,969 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-19 14:38:53,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:38:53,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-19 14:38:53,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:38:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 669 proven. 139 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-19 14:38:54,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:38:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 550 proven. 258 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-03-19 14:38:56,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889857673] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:38:56,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:38:56,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 102 [2025-03-19 14:38:56,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931466696] [2025-03-19 14:38:56,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:38:56,110 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2025-03-19 14:38:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:38:56,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2025-03-19 14:38:56,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2037, Invalid=8265, Unknown=0, NotChecked=0, Total=10302 [2025-03-19 14:38:56,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:38:56,113 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:38:56,113 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.519607843137255) internal successors, (665), 102 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:38:56,113 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:38:56,114 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:38:56,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:38:56,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:38:56,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-19 14:38:56,474 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:38:56,474 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:38:56,475 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:38:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1383120767, now seen corresponding path program 18 times [2025-03-19 14:38:56,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:38:56,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883305052] [2025-03-19 14:38:56,475 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 14:38:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:38:56,498 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 262 statements into 11 equivalence classes. [2025-03-19 14:38:56,996 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 262 of 262 statements. [2025-03-19 14:38:56,997 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-03-19 14:38:56,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:38:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 124 proven. 72 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2025-03-19 14:38:58,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:38:58,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883305052] [2025-03-19 14:38:58,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883305052] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:38:58,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045259614] [2025-03-19 14:38:58,309 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 14:38:58,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:38:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:38:58,311 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:38:58,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-19 14:38:58,434 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 262 statements into 11 equivalence classes. [2025-03-19 14:39:53,842 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 262 of 262 statements. [2025-03-19 14:39:53,842 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-03-19 14:39:53,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:39:53,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-19 14:39:53,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:39:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 5 proven. 661 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-03-19 14:39:54,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:39:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 32 proven. 101 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2025-03-19 14:39:55,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045259614] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:39:55,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:39:55,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 34, 12] total 55 [2025-03-19 14:39:55,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749286087] [2025-03-19 14:39:55,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:39:55,107 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-03-19 14:39:55,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:39:55,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-03-19 14:39:55,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=2756, Unknown=0, NotChecked=0, Total=3080 [2025-03-19 14:39:55,108 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:39:55,108 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:39:55,108 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.660714285714286) internal successors, (373), 55 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:39:55,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:39:55,109 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:39:59,271 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:39:59,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-19 14:39:59,472 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:39:59,472 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:39:59,472 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:39:59,473 INFO L85 PathProgramCache]: Analyzing trace with hash 247324659, now seen corresponding path program 19 times [2025-03-19 14:39:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:39:59,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280346288] [2025-03-19 14:39:59,473 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:39:59,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:39:59,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 451 statements into 1 equivalence classes. [2025-03-19 14:39:59,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 451 of 451 statements. [2025-03-19 14:39:59,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:39:59,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3665 backedges. 730 proven. 1930 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2025-03-19 14:40:01,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:40:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280346288] [2025-03-19 14:40:01,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280346288] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:40:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516577084] [2025-03-19 14:40:01,694 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 14:40:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:40:01,696 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:40:01,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-19 14:40:01,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 451 statements into 1 equivalence classes. [2025-03-19 14:40:02,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 451 of 451 statements. [2025-03-19 14:40:02,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 14:40:02,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:02,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-19 14:40:02,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:40:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3665 backedges. 2805 proven. 91 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2025-03-19 14:40:02,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:40:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3665 backedges. 2673 proven. 223 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2025-03-19 14:40:04,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516577084] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:40:04,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:40:04,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 29, 29] total 93 [2025-03-19 14:40:04,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400003910] [2025-03-19 14:40:04,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:40:04,021 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2025-03-19 14:40:04,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:40:04,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2025-03-19 14:40:04,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1203, Invalid=7353, Unknown=0, NotChecked=0, Total=8556 [2025-03-19 14:40:04,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:04,023 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:40:04,023 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 7.548387096774194) internal successors, (702), 93 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:04,023 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:04,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:04,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-19 14:40:04,486 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:04,486 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:40:04,486 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:40:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash -546153066, now seen corresponding path program 20 times [2025-03-19 14:40:04,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:40:04,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679270393] [2025-03-19 14:40:04,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:40:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:40:04,514 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 453 statements into 2 equivalence classes. [2025-03-19 14:40:04,652 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 453 of 453 statements. [2025-03-19 14:40:04,653 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:40:04,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3697 backedges. 879 proven. 1952 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2025-03-19 14:40:06,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:40:06,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679270393] [2025-03-19 14:40:06,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679270393] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:40:06,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97593068] [2025-03-19 14:40:06,764 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 14:40:06,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:40:06,766 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:40:06,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-19 14:40:06,918 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 453 statements into 2 equivalence classes. [2025-03-19 14:40:07,057 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 453 of 453 statements. [2025-03-19 14:40:07,057 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 14:40:07,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:07,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 1825 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-19 14:40:07,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:40:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3697 backedges. 2871 proven. 105 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2025-03-19 14:40:08,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:40:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3697 backedges. 2760 proven. 216 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2025-03-19 14:40:09,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97593068] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:40:09,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:40:09,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 31, 31] total 99 [2025-03-19 14:40:09,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882571212] [2025-03-19 14:40:09,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:40:09,316 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2025-03-19 14:40:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:40:09,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2025-03-19 14:40:09,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1362, Invalid=8340, Unknown=0, NotChecked=0, Total=9702 [2025-03-19 14:40:09,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:09,319 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:40:09,319 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 7.525252525252525) internal successors, (745), 99 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:09,319 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:09,555 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-19 14:40:09,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-19 14:40:09,755 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-03-19 14:40:09,755 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:40:09,756 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:40:09,756 INFO L85 PathProgramCache]: Analyzing trace with hash 733070931, now seen corresponding path program 21 times [2025-03-19 14:40:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:40:09,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903867096] [2025-03-19 14:40:09,756 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:40:09,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:40:09,784 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 455 statements into 23 equivalence classes. [2025-03-19 14:40:10,977 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 315 of 455 statements. [2025-03-19 14:40:10,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-19 14:40:10,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 386 proven. 2362 refuted. 0 times theorem prover too weak. 983 trivial. 0 not checked. [2025-03-19 14:40:13,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:40:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903867096] [2025-03-19 14:40:13,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903867096] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:40:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240430969] [2025-03-19 14:40:13,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 14:40:13,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:13,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:40:13,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:40:13,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-19 14:40:13,302 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 455 statements into 23 equivalence classes. [2025-03-19 14:40:25,772 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 315 of 455 statements. [2025-03-19 14:40:25,773 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-19 14:40:25,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:25,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-19 14:40:25,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:40:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 2540 proven. 120 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2025-03-19 14:40:27,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:40:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 635 proven. 2025 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2025-03-19 14:40:28,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240430969] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:40:28,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:40:28,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 34, 34] total 111 [2025-03-19 14:40:28,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764016497] [2025-03-19 14:40:28,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:40:28,835 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2025-03-19 14:40:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:40:28,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2025-03-19 14:40:28,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1934, Invalid=10498, Unknown=0, NotChecked=0, Total=12432 [2025-03-19 14:40:28,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:28,839 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:40:28,840 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 6.455357142857143) internal successors, (723), 111 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:28,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-03-19 14:40:28,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:29,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:29,870 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-19 14:40:29,871 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-19 14:40:29,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-19 14:40:30,071 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:30,072 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:40:30,072 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:40:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash 275714203, now seen corresponding path program 22 times [2025-03-19 14:40:30,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:40:30,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118931102] [2025-03-19 14:40:30,072 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:40:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:40:30,115 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 456 statements into 2 equivalence classes. [2025-03-19 14:40:30,282 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 456 of 456 statements. [2025-03-19 14:40:30,282 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:40:30,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 3375 proven. 179 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-03-19 14:40:32,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:40:32,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118931102] [2025-03-19 14:40:32,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118931102] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:40:32,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166167330] [2025-03-19 14:40:32,602 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 14:40:32,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:32,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:40:32,604 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:40:32,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-19 14:40:32,768 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 456 statements into 2 equivalence classes. [2025-03-19 14:40:32,911 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 456 of 456 statements. [2025-03-19 14:40:32,912 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-19 14:40:32,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:32,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-03-19 14:40:32,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 14:40:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 3418 proven. 136 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-03-19 14:40:34,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 14:40:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3747 backedges. 3069 proven. 485 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2025-03-19 14:40:36,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166167330] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 14:40:36,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 14:40:36,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 132 [2025-03-19 14:40:36,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850478611] [2025-03-19 14:40:36,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 14:40:36,319 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2025-03-19 14:40:36,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 14:40:36,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2025-03-19 14:40:36,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4318, Invalid=13238, Unknown=0, NotChecked=0, Total=17556 [2025-03-19 14:40:36,322 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:36,322 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 14:40:36,323 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 8.774436090225564) internal successors, (1167), 132 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-03-19 14:40:36,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 14:40:36,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:36,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-19 14:40:36,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 14:40:36,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-19 14:40:37,018 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-19 14:40:37,019 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-19 14:40:37,019 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 14:40:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1127464019, now seen corresponding path program 23 times [2025-03-19 14:40:37,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 14:40:37,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171818860] [2025-03-19 14:40:37,019 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:40:37,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 14:40:37,050 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 467 statements into 23 equivalence classes. [2025-03-19 14:40:38,216 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) and asserted 467 of 467 statements. [2025-03-19 14:40:38,216 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2025-03-19 14:40:38,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 14:40:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3989 backedges. 2850 proven. 760 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2025-03-19 14:40:40,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 14:40:40,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171818860] [2025-03-19 14:40:40,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171818860] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 14:40:40,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478889699] [2025-03-19 14:40:40,879 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 14:40:40,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 14:40:40,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 14:40:40,881 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 14:40:40,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-19 14:40:41,059 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 467 statements into 23 equivalence classes. Killed by 15