./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-min-max-inc.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 341ac5a9697f243416924cef7ae19a5e9bc693a5982154ab196fb2faacf237d5 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-20 04:25:36,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-20 04:25:36,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-20 04:25:36,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-20 04:25:36,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-20 04:25:36,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-20 04:25:36,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-20 04:25:36,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-20 04:25:36,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-20 04:25:36,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-20 04:25:36,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-20 04:25:36,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-20 04:25:36,136 INFO L153 SettingsManager]: * Use SBE=true [2025-03-20 04:25:36,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-20 04:25:36,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-20 04:25:36,136 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-20 04:25:36,137 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-20 04:25:36,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 04:25:36,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-20 04:25:36,138 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-20 04:25:36,139 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-20 04:25:36,139 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 -> 341ac5a9697f243416924cef7ae19a5e9bc693a5982154ab196fb2faacf237d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> PERSISTENT_SETS [2025-03-20 04:25:36,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-20 04:25:36,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-20 04:25:36,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-20 04:25:36,404 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-20 04:25:36,405 INFO L274 PluginConnector]: CDTParser initialized [2025-03-20 04:25:36,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2025-03-20 04:25:37,631 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bbe8e73c1/1afd7ea275e5490f8f3b2dcb7904e5d2/FLAGb5d5a48da [2025-03-20 04:25:37,805 INFO L389 CDTParser]: Found 1 translation units. [2025-03-20 04:25:37,806 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2025-03-20 04:25:37,813 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bbe8e73c1/1afd7ea275e5490f8f3b2dcb7904e5d2/FLAGb5d5a48da [2025-03-20 04:25:38,631 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bbe8e73c1/1afd7ea275e5490f8f3b2dcb7904e5d2 [2025-03-20 04:25:38,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-20 04:25:38,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-20 04:25:38,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-20 04:25:38,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-20 04:25:38,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-20 04:25:38,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7930785f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38, skipping insertion in model container [2025-03-20 04:25:38,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-20 04:25:38,790 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-min-max-inc.wvr.c[2682,2695] [2025-03-20 04:25:38,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 04:25:38,804 INFO L200 MainTranslator]: Completed pre-run [2025-03-20 04:25:38,838 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-min-max-inc.wvr.c[2682,2695] [2025-03-20 04:25:38,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 04:25:38,853 INFO L204 MainTranslator]: Completed translation [2025-03-20 04:25:38,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38 WrapperNode [2025-03-20 04:25:38,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-20 04:25:38,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-20 04:25:38,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-20 04:25:38,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-20 04:25:38,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,883 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-03-20 04:25:38,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-20 04:25:38,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-20 04:25:38,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-20 04:25:38,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-20 04:25:38,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,902 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-20 04:25:38,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-20 04:25:38,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-20 04:25:38,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-20 04:25:38,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (1/1) ... [2025-03-20 04:25:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 04:25:38,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:38,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-20 04:25:38,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-20 04:25:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-20 04:25:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-20 04:25:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-20 04:25:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-20 04:25:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-20 04:25:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-20 04:25:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-20 04:25:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-20 04:25:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-20 04:25:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-20 04:25:38,972 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-20 04:25:39,056 INFO L234 CfgBuilder]: Building ICFG [2025-03-20 04:25:39,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-20 04:25:39,259 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-20 04:25:39,259 INFO L283 CfgBuilder]: Performing block encoding [2025-03-20 04:25:39,411 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-20 04:25:39,413 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-20 04:25:39,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:25:39 BoogieIcfgContainer [2025-03-20 04:25:39,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-20 04:25:39,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-20 04:25:39,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-20 04:25:39,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-20 04:25:39,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 04:25:38" (1/3) ... [2025-03-20 04:25:39,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530edc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:25:39, skipping insertion in model container [2025-03-20 04:25:39,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 04:25:38" (2/3) ... [2025-03-20 04:25:39,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530edc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 04:25:39, skipping insertion in model container [2025-03-20 04:25:39,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 04:25:39" (3/3) ... [2025-03-20 04:25:39,423 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2025-03-20 04:25:39,433 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-20 04:25:39,435 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-inc.wvr.c that has 5 procedures, 57 locations, 58 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-20 04:25:39,436 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-20 04:25:39,501 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-20 04:25:39,534 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 04:25:39,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-20 04:25:39,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:39,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-20 04:25:39,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-20 04:25:39,604 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-20 04:25:39,611 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-20 04:25:39,619 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;@5bccaa38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 04:25:39,619 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-20 04:25:40,486 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:40,489 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2077257451, now seen corresponding path program 1 times [2025-03-20 04:25:40,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:40,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359174240] [2025-03-20 04:25:40,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 04:25:40,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:40,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-20 04:25:40,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-20 04:25:40,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:25:40,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:40,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:40,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359174240] [2025-03-20 04:25:40,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359174240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 04:25:40,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 04:25:40,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-20 04:25:40,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913604484] [2025-03-20 04:25:40,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 04:25:40,863 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-20 04:25:40,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:40,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-20 04:25:40,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-20 04:25:40,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:40,879 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:40,882 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2025-03-20 04:25:40,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:40,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:40,950 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-20 04:25:40,950 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:40,951 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:40,951 INFO L85 PathProgramCache]: Analyzing trace with hash -940543605, now seen corresponding path program 1 times [2025-03-20 04:25:40,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:40,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426104019] [2025-03-20 04:25:40,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 04:25:40,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:40,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-20 04:25:40,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-20 04:25:40,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:25:40,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:41,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:41,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426104019] [2025-03-20 04:25:41,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426104019] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:41,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598422850] [2025-03-20 04:25:41,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 04:25:41,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:41,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:41,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:41,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-20 04:25:41,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-20 04:25:41,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-20 04:25:41,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:25:41,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:41,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-20 04:25:41,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:41,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:41,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598422850] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:41,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:41,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-03-20 04:25:41,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831859279] [2025-03-20 04:25:41,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:41,545 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-20 04:25:41,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:41,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-20 04:25:41,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-20 04:25:41,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:41,547 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:41,547 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:41,547 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:41,547 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:41,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:41,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:41,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:41,868 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-20 04:25:41,869 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:41,869 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:41,869 INFO L85 PathProgramCache]: Analyzing trace with hash -3095829, now seen corresponding path program 2 times [2025-03-20 04:25:41,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:41,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362253561] [2025-03-20 04:25:41,869 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 04:25:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:41,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 79 statements into 2 equivalence classes. [2025-03-20 04:25:41,889 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 77 of 79 statements. [2025-03-20 04:25:41,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-20 04:25:41,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-20 04:25:42,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:42,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362253561] [2025-03-20 04:25:42,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362253561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 04:25:42,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 04:25:42,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-20 04:25:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130526550] [2025-03-20 04:25:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 04:25:42,016 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-20 04:25:42,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:42,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-20 04:25:42,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-20 04:25:42,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:42,017 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:42,017 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:42,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:42,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:42,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:42,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:42,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:42,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-20 04:25:42,254 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-20 04:25:42,254 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:42,255 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:42,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1255451907, now seen corresponding path program 3 times [2025-03-20 04:25:42,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:42,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897037781] [2025-03-20 04:25:42,255 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 04:25:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:42,272 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 102 statements into 3 equivalence classes. [2025-03-20 04:25:42,280 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 60 of 102 statements. [2025-03-20 04:25:42,280 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-20 04:25:42,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-20 04:25:42,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:42,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897037781] [2025-03-20 04:25:42,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897037781] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 04:25:42,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 04:25:42,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-20 04:25:42,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363465967] [2025-03-20 04:25:42,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 04:25:42,493 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-20 04:25:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:42,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-20 04:25:42,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-20 04:25:42,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:42,494 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:42,495 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:42,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:42,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:42,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-20 04:25:42,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:42,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:42,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:42,922 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:42,923 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-20 04:25:42,923 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:42,923 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:42,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2086531121, now seen corresponding path program 4 times [2025-03-20 04:25:42,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:42,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168375718] [2025-03-20 04:25:42,923 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 04:25:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:42,937 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 106 statements into 2 equivalence classes. [2025-03-20 04:25:42,944 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 94 of 106 statements. [2025-03-20 04:25:42,944 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-20 04:25:42,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-20 04:25:43,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:43,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168375718] [2025-03-20 04:25:43,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168375718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 04:25:43,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 04:25:43,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-20 04:25:43,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438012763] [2025-03-20 04:25:43,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 04:25:43,078 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-20 04:25:43,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:43,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-20 04:25:43,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-20 04:25:43,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:43,079 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:43,079 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 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) [2025-03-20 04:25:43,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:43,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:43,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:43,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:43,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:43,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:43,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:43,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:43,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:43,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:43,274 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-20 04:25:43,274 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:43,274 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash -691288173, now seen corresponding path program 5 times [2025-03-20 04:25:43,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:43,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186754528] [2025-03-20 04:25:43,274 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 04:25:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:43,285 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-03-20 04:25:43,301 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-03-20 04:25:43,301 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 04:25:43,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:43,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186754528] [2025-03-20 04:25:43,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186754528] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:43,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796262856] [2025-03-20 04:25:43,442 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 04:25:43,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:43,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-20 04:25:43,492 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-03-20 04:25:43,523 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-03-20 04:25:43,523 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 04:25:43,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:43,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-20 04:25:43,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:43,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:43,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796262856] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:43,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:43,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2025-03-20 04:25:43,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210913545] [2025-03-20 04:25:43,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:43,846 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-20 04:25:43,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:43,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-20 04:25:43,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2025-03-20 04:25:43,847 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:43,847 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:43,847 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.904761904761905) internal successors, (187), 21 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:43,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:44,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:44,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:44,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:44,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:44,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:44,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:44,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:44,268 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 [2025-03-20 04:25:44,268 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:44,268 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash 618465523, now seen corresponding path program 6 times [2025-03-20 04:25:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:44,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490417366] [2025-03-20 04:25:44,269 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 04:25:44,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:44,279 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 91 statements into 3 equivalence classes. [2025-03-20 04:25:44,320 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 91 of 91 statements. [2025-03-20 04:25:44,320 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-20 04:25:44,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490417366] [2025-03-20 04:25:44,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490417366] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908064478] [2025-03-20 04:25:44,600 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 04:25:44,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:44,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:44,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:44,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-20 04:25:44,657 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 91 statements into 3 equivalence classes. [2025-03-20 04:25:44,697 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 91 of 91 statements. [2025-03-20 04:25:44,698 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-03-20 04:25:44,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:44,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-20 04:25:44,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:44,743 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-20 04:25:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:44,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:45,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908064478] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:45,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:45,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2025-03-20 04:25:45,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119200106] [2025-03-20 04:25:45,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:45,192 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-20 04:25:45,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:45,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-20 04:25:45,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2025-03-20 04:25:45,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:45,194 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:45,194 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.291666666666666) internal successors, (223), 24 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:45,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:46,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:46,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:46,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:46,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:46,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:46,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:46,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:46,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:46,621 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 [2025-03-20 04:25:46,622 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:46,622 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:46,622 INFO L85 PathProgramCache]: Analyzing trace with hash -118752929, now seen corresponding path program 7 times [2025-03-20 04:25:46,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:46,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6488275] [2025-03-20 04:25:46,623 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 04:25:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:46,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-20 04:25:46,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-20 04:25:46,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:25:46,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:46,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:46,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6488275] [2025-03-20 04:25:46,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6488275] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:46,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339965776] [2025-03-20 04:25:46,928 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 04:25:46,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:46,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:46,930 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:46,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-20 04:25:46,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-20 04:25:47,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-20 04:25:47,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:25:47,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:47,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-20 04:25:47,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:47,117 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-20 04:25:47,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:47,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:47,476 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-03-20 04:25:47,477 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 12 [2025-03-20 04:25:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 04:25:47,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339965776] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:47,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:47,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2025-03-20 04:25:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562473128] [2025-03-20 04:25:47,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:47,510 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-20 04:25:47,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:47,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-20 04:25:47,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2025-03-20 04:25:47,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:47,511 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:47,512 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.178571428571429) internal successors, (201), 28 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:47,512 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:49,857 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:49,858 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:49,860 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:49,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:50,060 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,SelfDestructingSolverStorable7 [2025-03-20 04:25:50,060 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:50,061 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:50,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1001149757, now seen corresponding path program 8 times [2025-03-20 04:25:50,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:50,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247965334] [2025-03-20 04:25:50,061 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 04:25:50,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:50,069 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-03-20 04:25:50,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-03-20 04:25:50,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 04:25:50,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:50,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247965334] [2025-03-20 04:25:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247965334] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402271877] [2025-03-20 04:25:50,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 04:25:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:50,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:50,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-20 04:25:50,315 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-03-20 04:25:50,348 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-03-20 04:25:50,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 04:25:50,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:50,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-20 04:25:50,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:50,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 04:25:50,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402271877] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:50,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:50,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2025-03-20 04:25:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596040860] [2025-03-20 04:25:50,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:50,702 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-20 04:25:50,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:50,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-20 04:25:50,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2025-03-20 04:25:50,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:50,703 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:50,703 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.166666666666666) internal successors, (196), 24 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:50,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:50,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:50,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:50,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:51,145 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:51,145 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:51,146 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:51,146 INFO L85 PathProgramCache]: Analyzing trace with hash -365691235, now seen corresponding path program 9 times [2025-03-20 04:25:51,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:51,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157026990] [2025-03-20 04:25:51,146 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 04:25:51,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:51,155 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 3 equivalence classes. [2025-03-20 04:25:51,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 107 of 109 statements. [2025-03-20 04:25:51,172 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 04:25:51,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-03-20 04:25:51,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:51,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157026990] [2025-03-20 04:25:51,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157026990] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:51,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380442361] [2025-03-20 04:25:51,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 04:25:51,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:51,463 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:51,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-20 04:25:51,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 3 equivalence classes. [2025-03-20 04:25:51,548 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 107 of 109 statements. [2025-03-20 04:25:51,548 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 04:25:51,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:51,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-20 04:25:51,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:51,596 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-20 04:25:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-20 04:25:51,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-20 04:25:52,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380442361] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:52,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:52,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 26 [2025-03-20 04:25:52,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394409328] [2025-03-20 04:25:52,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:52,025 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-03-20 04:25:52,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:52,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-03-20 04:25:52,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2025-03-20 04:25:52,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:52,025 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:52,025 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.26923076923077) internal successors, (241), 26 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:52,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:52,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:52,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:52,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:52,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:52,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:52,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:52,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:52,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:52,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:53,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:53,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:53,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:53,526 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,SelfDestructingSolverStorable9 [2025-03-20 04:25:53,527 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:53,527 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:53,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1015196783, now seen corresponding path program 10 times [2025-03-20 04:25:53,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:53,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148481468] [2025-03-20 04:25:53,527 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 04:25:53,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:53,536 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 137 statements into 2 equivalence classes. [2025-03-20 04:25:53,543 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 122 of 137 statements. [2025-03-20 04:25:53,543 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-20 04:25:53,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-20 04:25:53,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:53,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148481468] [2025-03-20 04:25:53,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148481468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 04:25:53,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 04:25:53,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-20 04:25:53,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871915951] [2025-03-20 04:25:53,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 04:25:53,659 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-20 04:25:53,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:53,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-20 04:25:53,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-20 04:25:53,660 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:53,660 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:53,660 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:53,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:53,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:53,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:53,660 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:53,661 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:54,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:54,404 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:54,404 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-20 04:25:54,404 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:54,404 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1796388145, now seen corresponding path program 11 times [2025-03-20 04:25:54,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:54,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603442416] [2025-03-20 04:25:54,405 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 04:25:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:54,416 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 160 statements into 3 equivalence classes. [2025-03-20 04:25:54,444 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 160 of 160 statements. [2025-03-20 04:25:54,444 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-20 04:25:54,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:25:54,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:54,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603442416] [2025-03-20 04:25:54,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603442416] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:54,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104096843] [2025-03-20 04:25:54,667 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 04:25:54,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:54,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:54,669 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:54,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-20 04:25:54,728 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 160 statements into 3 equivalence classes. [2025-03-20 04:25:55,045 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 160 of 160 statements. [2025-03-20 04:25:55,045 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-03-20 04:25:55,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:55,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-20 04:25:55,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:25:55,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:25:55,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104096843] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:55,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:55,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 40 [2025-03-20 04:25:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596013196] [2025-03-20 04:25:55,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:55,626 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-03-20 04:25:55,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:55,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-03-20 04:25:55,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1232, Unknown=0, NotChecked=0, Total=1560 [2025-03-20 04:25:55,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:55,628 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:55,628 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 9.425) internal successors, (377), 40 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:55,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:56,313 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:56,314 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-20 04:25:56,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-20 04:25:56,514 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 [2025-03-20 04:25:56,515 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:25:56,515 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:25:56,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2126986607, now seen corresponding path program 12 times [2025-03-20 04:25:56,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:25:56,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335860801] [2025-03-20 04:25:56,515 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 04:25:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:25:56,528 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 163 statements into 5 equivalence classes. [2025-03-20 04:25:56,574 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 163 of 163 statements. [2025-03-20 04:25:56,574 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-20 04:25:56,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-20 04:25:56,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:25:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335860801] [2025-03-20 04:25:56,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335860801] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:25:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86251872] [2025-03-20 04:25:56,901 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 04:25:56,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:25:56,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:25:56,903 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:25:56,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-20 04:25:56,964 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 163 statements into 5 equivalence classes. [2025-03-20 04:25:57,204 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 163 of 163 statements. [2025-03-20 04:25:57,204 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-20 04:25:57,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:25:57,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-20 04:25:57,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:25:57,239 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-03-20 04:25:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-20 04:25:57,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:25:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-20 04:25:57,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86251872] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:25:57,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:25:57,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 27 [2025-03-20 04:25:57,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744762743] [2025-03-20 04:25:57,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:25:57,777 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-03-20 04:25:57,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:25:57,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-03-20 04:25:57,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2025-03-20 04:25:57,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:25:57,778 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:25:57,778 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.11111111111111) internal successors, (246), 27 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:25:57,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-20 04:25:57,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-20 04:26:25,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-20 04:26:25,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:26:25,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-20 04:26:25,464 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 [2025-03-20 04:26:25,464 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-20 04:26:25,465 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 04:26:25,465 INFO L85 PathProgramCache]: Analyzing trace with hash 942461121, now seen corresponding path program 13 times [2025-03-20 04:26:25,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 04:26:25,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257376314] [2025-03-20 04:26:25,465 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 04:26:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 04:26:25,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-20 04:26:25,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-20 04:26:25,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:26:25,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:26:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:26:25,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 04:26:25,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257376314] [2025-03-20 04:26:25,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257376314] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 04:26:25,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974307892] [2025-03-20 04:26:25,656 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 04:26:25,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 04:26:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 04:26:25,658 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 04:26:25,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-20 04:26:25,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-20 04:26:25,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-20 04:26:25,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 04:26:25,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 04:26:25,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-20 04:26:25,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 04:26:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:26:26,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 04:26:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 04:26:26,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974307892] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 04:26:26,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 04:26:26,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2025-03-20 04:26:26,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812156743] [2025-03-20 04:26:26,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 04:26:26,220 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-03-20 04:26:26,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 04:26:26,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-03-20 04:26:26,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=975, Unknown=0, NotChecked=0, Total=1332 [2025-03-20 04:26:26,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 04:26:26,222 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 04:26:26,222 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 6.621621621621622) internal successors, (245), 37 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 04:26:26,222 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-03-20 04:26:26,223 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.