./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.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 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-24 23:09:53,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 23:09:53,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 23:09:53,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 23:09:53,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 23:09:53,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 23:09:53,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 23:09:53,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 23:09:53,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 23:09:53,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 23:09:53,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 23:09:53,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 23:09:53,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 23:09:53,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 23:09:53,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 23:09:53,943 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 23:09:53,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:09:53,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:09:53,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 23:09:53,944 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 23:09:53,944 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 -> 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-24 23:09:54,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 23:09:54,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 23:09:54,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 23:09:54,170 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 23:09:54,170 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 23:09:54,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2025-04-24 23:09:55,465 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78be2e1cd/ebb663224dc54bf79410cd981706912e/FLAGe369f1790 [2025-04-24 23:09:55,647 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 23:09:55,647 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2025-04-24 23:09:55,653 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78be2e1cd/ebb663224dc54bf79410cd981706912e/FLAGe369f1790 [2025-04-24 23:09:56,616 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/78be2e1cd/ebb663224dc54bf79410cd981706912e [2025-04-24 23:09:56,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 23:09:56,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 23:09:56,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 23:09:56,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 23:09:56,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 23:09:56,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71040aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56, skipping insertion in model container [2025-04-24 23:09:56,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 23:09:56,801 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2025-04-24 23:09:56,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 23:09:56,820 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 23:09:56,856 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2025-04-24 23:09:56,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 23:09:56,868 INFO L204 MainTranslator]: Completed translation [2025-04-24 23:09:56,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56 WrapperNode [2025-04-24 23:09:56,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 23:09:56,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 23:09:56,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 23:09:56,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 23:09:56,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,906 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 278 [2025-04-24 23:09:56,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 23:09:56,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 23:09:56,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 23:09:56,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 23:09:56,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 23:09:56,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 23:09:56,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 23:09:56,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 23:09:56,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (1/1) ... [2025-04-24 23:09:56,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 23:09:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:09:56,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 23:09:56,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 23:09:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 23:09:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 23:09:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 23:09:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 23:09:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 23:09:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 23:09:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 23:09:56,993 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 23:09:57,078 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 23:09:57,080 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 23:09:57,456 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 23:09:57,457 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 23:09:57,742 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 23:09:57,742 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 23:09:57,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 11:09:57 BoogieIcfgContainer [2025-04-24 23:09:57,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 23:09:57,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 23:09:57,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 23:09:57,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 23:09:57,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 11:09:56" (1/3) ... [2025-04-24 23:09:57,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ab628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 11:09:57, skipping insertion in model container [2025-04-24 23:09:57,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 11:09:56" (2/3) ... [2025-04-24 23:09:57,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0ab628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 11:09:57, skipping insertion in model container [2025-04-24 23:09:57,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 11:09:57" (3/3) ... [2025-04-24 23:09:57,750 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult3.wvr.c [2025-04-24 23:09:57,761 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 23:09:57,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult3.wvr.c that has 5 procedures, 45 locations, 46 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-24 23:09:57,764 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 23:09:57,817 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-24 23:09:57,848 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 23:09:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 23:09:57,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:09:57,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 23:09:57,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 23:09:57,920 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 23:09:57,927 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 23:09:57,933 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;@91d3c19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 23:09:57,933 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-24 23:09:58,245 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)] === [2025-04-24 23:09:58,250 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:09:58,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1488937773, now seen corresponding path program 1 times [2025-04-24 23:09:58,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:09:58,256 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272917367] [2025-04-24 23:09:58,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:09:58,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:09:58,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-04-24 23:09:58,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-04-24 23:09:58,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:09:58,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:09:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:09:59,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:09:59,493 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272917367] [2025-04-24 23:09:59,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272917367] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:09:59,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:09:59,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 23:09:59,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526003092] [2025-04-24 23:09:59,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:09:59,501 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 23:09:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:09:59,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 23:09:59,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-24 23:09:59,516 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:09:59,517 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:09:59,518 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:09:59,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:09:59,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:09:59,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 23:09:59,667 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)] === [2025-04-24 23:09:59,667 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:09:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1342788635, now seen corresponding path program 1 times [2025-04-24 23:09:59,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:09:59,668 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636083238] [2025-04-24 23:09:59,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:09:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:09:59,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-04-24 23:09:59,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-04-24 23:09:59,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:09:59,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 23:10:00,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:00,289 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636083238] [2025-04-24 23:10:00,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636083238] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:00,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714354617] [2025-04-24 23:10:00,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:10:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:00,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:00,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 23:10:00,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-04-24 23:10:00,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-04-24 23:10:00,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:10:00,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:00,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-24 23:10:00,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:00,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-24 23:10:00,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714354617] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:10:00,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-24 23:10:00,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-04-24 23:10:00,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534888937] [2025-04-24 23:10:00,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:10:00,579 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 23:10:00,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:00,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 23:10:00,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-04-24 23:10:00,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:00,583 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:00,584 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:00,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:00,584 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:00,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:00,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:00,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 23:10:00,893 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-24 23:10:00,893 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)] === [2025-04-24 23:10:00,894 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:00,894 INFO L85 PathProgramCache]: Analyzing trace with hash -134087088, now seen corresponding path program 1 times [2025-04-24 23:10:00,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:00,894 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113025822] [2025-04-24 23:10:00,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:10:00,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:00,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-04-24 23:10:00,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-04-24 23:10:00,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:10:00,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:01,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:01,361 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113025822] [2025-04-24 23:10:01,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113025822] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:01,361 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671088627] [2025-04-24 23:10:01,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 23:10:01,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:01,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:01,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:01,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 23:10:01,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-04-24 23:10:01,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-04-24 23:10:01,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:10:01,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:01,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 23:10:01,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:01,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671088627] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:01,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:01,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2025-04-24 23:10:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318258702] [2025-04-24 23:10:01,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:01,815 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 23:10:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:01,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 23:10:01,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2025-04-24 23:10:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:01,816 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:01,816 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 14 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:01,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:01,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:01,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:02,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:02,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 23:10:02,203 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:02,204 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)] === [2025-04-24 23:10:02,204 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:02,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1586100488, now seen corresponding path program 2 times [2025-04-24 23:10:02,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:02,204 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341886626] [2025-04-24 23:10:02,204 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:10:02,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:02,222 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 165 statements into 2 equivalence classes. [2025-04-24 23:10:02,276 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 162 of 165 statements. [2025-04-24 23:10:02,276 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 23:10:02,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 23:10:02,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:02,505 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341886626] [2025-04-24 23:10:02,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341886626] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:10:02,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:10:02,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 23:10:02,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299410387] [2025-04-24 23:10:02,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:10:02,506 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 23:10:02,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:02,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 23:10:02,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-24 23:10:02,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:02,506 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:02,507 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:02,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:02,507 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:02,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:02,601 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:02,601 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-24 23:10:02,601 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)] === [2025-04-24 23:10:02,602 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:02,602 INFO L85 PathProgramCache]: Analyzing trace with hash -631857373, now seen corresponding path program 3 times [2025-04-24 23:10:02,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:02,602 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855378532] [2025-04-24 23:10:02,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:10:02,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:02,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 4 equivalence classes. [2025-04-24 23:10:03,015 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 168 of 204 statements. [2025-04-24 23:10:03,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 23:10:03,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-04-24 23:10:03,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:03,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855378532] [2025-04-24 23:10:03,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855378532] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:03,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952949762] [2025-04-24 23:10:03,827 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:10:03,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:03,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:03,829 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:03,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 23:10:03,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 4 equivalence classes. [2025-04-24 23:10:04,014 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 168 of 204 statements. [2025-04-24 23:10:04,015 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 23:10:04,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:04,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 23:10:04,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-04-24 23:10:04,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-04-24 23:10:05,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952949762] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:05,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:05,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 47 [2025-04-24 23:10:05,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883979944] [2025-04-24 23:10:05,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:05,554 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 23:10:05,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:05,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 23:10:05,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=667, Invalid=1589, Unknown=0, NotChecked=0, Total=2256 [2025-04-24 23:10:05,556 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:05,556 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:05,556 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.416666666666667) internal successors, (356), 47 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:05,556 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,556 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:05,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,557 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:05,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:05,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:05,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:05,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-24 23:10:06,182 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:06,182 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)] === [2025-04-24 23:10:06,183 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:06,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1305840931, now seen corresponding path program 4 times [2025-04-24 23:10:06,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:06,183 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684050991] [2025-04-24 23:10:06,183 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:10:06,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:06,203 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 208 statements into 2 equivalence classes. [2025-04-24 23:10:06,265 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-04-24 23:10:06,265 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:10:06,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 23:10:06,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:06,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684050991] [2025-04-24 23:10:06,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684050991] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:06,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923594877] [2025-04-24 23:10:06,829 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:10:06,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:06,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:06,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:06,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 23:10:06,911 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 208 statements into 2 equivalence classes. [2025-04-24 23:10:07,000 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 208 of 208 statements. [2025-04-24 23:10:07,000 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:10:07,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:07,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 23:10:07,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 42 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:07,685 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 23:10:08,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923594877] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:08,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:08,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 19, 19] total 40 [2025-04-24 23:10:08,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258012130] [2025-04-24 23:10:08,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:08,290 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-24 23:10:08,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:08,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-24 23:10:08,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1217, Unknown=0, NotChecked=0, Total=1640 [2025-04-24 23:10:08,292 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:08,292 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:08,292 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 8.658536585365853) internal successors, (355), 40 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:08,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:08,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:08,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:08,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:08,676 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:08,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 23:10:08,876 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 23:10:08,877 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)] === [2025-04-24 23:10:08,877 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:08,877 INFO L85 PathProgramCache]: Analyzing trace with hash -513934871, now seen corresponding path program 5 times [2025-04-24 23:10:08,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:08,877 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522822947] [2025-04-24 23:10:08,877 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:10:08,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:08,894 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 141 statements into 6 equivalence classes. [2025-04-24 23:10:09,022 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 141 of 141 statements. [2025-04-24 23:10:09,023 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 23:10:09,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 45 proven. 13 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 23:10:09,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:09,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522822947] [2025-04-24 23:10:09,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522822947] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:09,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039348806] [2025-04-24 23:10:09,371 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:10:09,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:09,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:09,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 23:10:09,440 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 141 statements into 6 equivalence classes. [2025-04-24 23:10:09,600 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 141 of 141 statements. [2025-04-24 23:10:09,600 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 23:10:09,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:09,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 23:10:09,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-04-24 23:10:09,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-04-24 23:10:09,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039348806] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:09,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:09,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 21 [2025-04-24 23:10:09,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464603951] [2025-04-24 23:10:09,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:09,874 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-04-24 23:10:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:09,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-04-24 23:10:09,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-04-24 23:10:09,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:09,874 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:09,875 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.714285714285714) internal successors, (162), 21 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:10,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 23:10:10,214 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:10,214 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)] === [2025-04-24 23:10:10,215 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1889869202, now seen corresponding path program 6 times [2025-04-24 23:10:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:10,215 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771738061] [2025-04-24 23:10:10,215 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:10:10,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:10,230 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 142 statements into 6 equivalence classes. [2025-04-24 23:10:10,246 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 50 of 142 statements. [2025-04-24 23:10:10,247 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-24 23:10:10,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2025-04-24 23:10:10,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:10,467 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771738061] [2025-04-24 23:10:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771738061] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:10:10,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:10:10,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 23:10:10,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072677885] [2025-04-24 23:10:10,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:10:10,468 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 23:10:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:10,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 23:10:10,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-04-24 23:10:10,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:10,468 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:10,468 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:10,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:10,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:10,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:10,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:10,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:10,674 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-24 23:10:10,674 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)] === [2025-04-24 23:10:10,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:10,675 INFO L85 PathProgramCache]: Analyzing trace with hash 389654561, now seen corresponding path program 7 times [2025-04-24 23:10:10,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:10,675 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261964659] [2025-04-24 23:10:10,675 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:10:10,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:10,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-04-24 23:10:10,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-04-24 23:10:10,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:10:10,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2025-04-24 23:10:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:11,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261964659] [2025-04-24 23:10:11,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261964659] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:11,152 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828905716] [2025-04-24 23:10:11,152 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:10:11,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:11,154 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:11,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 23:10:11,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-04-24 23:10:11,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-04-24 23:10:11,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:10:11,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:11,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 23:10:11,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-04-24 23:10:11,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:11,610 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2025-04-24 23:10:11,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828905716] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:11,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:11,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 20 [2025-04-24 23:10:11,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088728821] [2025-04-24 23:10:11,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:11,611 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 23:10:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:11,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 23:10:11,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2025-04-24 23:10:11,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:11,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:11,612 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.0) internal successors, (140), 20 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:11,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:11,749 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:11,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:11,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 23:10:11,950 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-24 23:10:11,951 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)] === [2025-04-24 23:10:11,951 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:11,951 INFO L85 PathProgramCache]: Analyzing trace with hash -845134362, now seen corresponding path program 8 times [2025-04-24 23:10:11,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:11,952 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042013310] [2025-04-24 23:10:11,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:10:11,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:11,975 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-04-24 23:10:12,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-04-24 23:10:12,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:10:12,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 31 proven. 46 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2025-04-24 23:10:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:12,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042013310] [2025-04-24 23:10:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042013310] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:12,488 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213340649] [2025-04-24 23:10:12,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:10:12,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:12,491 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:12,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 23:10:12,578 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-04-24 23:10:12,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-04-24 23:10:12,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:10:12,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:12,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 23:10:12,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-04-24 23:10:12,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-04-24 23:10:13,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213340649] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:13,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:13,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 26 [2025-04-24 23:10:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607121529] [2025-04-24 23:10:13,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:13,087 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-24 23:10:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:13,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-24 23:10:13,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2025-04-24 23:10:13,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:13,087 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:13,088 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.846153846153846) internal successors, (178), 26 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:13,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:13,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:13,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:13,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:13,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:13,274 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:10:13,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 23:10:13,478 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:13,478 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)] === [2025-04-24 23:10:13,479 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash -468885311, now seen corresponding path program 9 times [2025-04-24 23:10:13,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:13,479 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495095583] [2025-04-24 23:10:13,479 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:10:13,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:13,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 205 statements into 6 equivalence classes. [2025-04-24 23:10:13,560 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 144 of 205 statements. [2025-04-24 23:10:13,560 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 23:10:13,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2025-04-24 23:10:13,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:13,882 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495095583] [2025-04-24 23:10:13,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495095583] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:10:13,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:10:13,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 23:10:13,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523217059] [2025-04-24 23:10:13,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:10:13,883 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 23:10:13,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:13,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 23:10:13,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-24 23:10:13,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:13,883 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:13,883 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:13,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:10:13,884 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:14,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:10:14,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:14,130 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-24 23:10:14,130 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)] === [2025-04-24 23:10:14,131 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:14,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1099317584, now seen corresponding path program 10 times [2025-04-24 23:10:14,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:14,131 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438570781] [2025-04-24 23:10:14,131 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:10:14,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:14,157 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 385 statements into 2 equivalence classes. [2025-04-24 23:10:14,284 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 385 of 385 statements. [2025-04-24 23:10:14,284 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:10:14,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 598 proven. 65 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 23:10:16,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:16,502 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438570781] [2025-04-24 23:10:16,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438570781] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:16,502 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822320918] [2025-04-24 23:10:16,502 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:10:16,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:16,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:16,505 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:16,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 23:10:16,624 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 385 statements into 2 equivalence classes. [2025-04-24 23:10:16,772 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 385 of 385 statements. [2025-04-24 23:10:16,772 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:10:16,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:16,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-04-24 23:10:16,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:10:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 602 proven. 61 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 23:10:18,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:10:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 562 proven. 101 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 23:10:20,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822320918] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:10:20,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:10:20,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 126 [2025-04-24 23:10:20,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884649597] [2025-04-24 23:10:20,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:10:20,539 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2025-04-24 23:10:20,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:10:20,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2025-04-24 23:10:20,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4549, Invalid=11453, Unknown=0, NotChecked=0, Total=16002 [2025-04-24 23:10:20,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:20,545 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:10:20,546 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 7.881889763779528) internal successors, (1001), 126 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:20,546 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:10:20,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:10:20,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 23:10:21,152 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:21,153 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)] === [2025-04-24 23:10:21,153 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:10:21,154 INFO L85 PathProgramCache]: Analyzing trace with hash 316421296, now seen corresponding path program 11 times [2025-04-24 23:10:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:10:21,154 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632530958] [2025-04-24 23:10:21,154 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:10:21,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:10:21,183 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 397 statements into 12 equivalence classes. [2025-04-24 23:10:21,912 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 397 of 397 statements. [2025-04-24 23:10:21,913 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-24 23:10:21,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:10:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 472 proven. 385 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 23:10:24,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:10:24,460 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632530958] [2025-04-24 23:10:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632530958] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:10:24,461 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489325280] [2025-04-24 23:10:24,461 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:10:24,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:10:24,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:10:24,462 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:10:24,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 23:10:24,585 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 397 statements into 12 equivalence classes. [2025-04-24 23:12:18,929 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) and asserted 397 of 397 statements. [2025-04-24 23:12:18,929 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2025-04-24 23:12:18,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:18,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-04-24 23:12:18,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:12:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 438 proven. 412 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-24 23:12:20,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:12:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 290 proven. 560 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-04-24 23:12:22,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489325280] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:12:22,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:12:22,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 145 [2025-04-24 23:12:22,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221178166] [2025-04-24 23:12:22,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:12:22,894 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2025-04-24 23:12:22,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:22,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2025-04-24 23:12:22,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3816, Invalid=17354, Unknown=0, NotChecked=0, Total=21170 [2025-04-24 23:12:22,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:22,900 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:22,900 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 6.205479452054795) internal successors, (906), 145 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:22,901 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:23,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:23,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:23,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 23:12:24,020 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-04-24 23:12:24,020 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)] === [2025-04-24 23:12:24,021 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:12:24,021 INFO L85 PathProgramCache]: Analyzing trace with hash 62619640, now seen corresponding path program 12 times [2025-04-24 23:12:24,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:12:24,021 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741248426] [2025-04-24 23:12:24,021 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 23:12:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:12:24,047 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 400 statements into 14 equivalence classes. [2025-04-24 23:12:24,055 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 73 of 400 statements. [2025-04-24 23:12:24,055 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-24 23:12:24,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2025-04-24 23:12:24,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:12:24,156 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741248426] [2025-04-24 23:12:24,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741248426] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:12:24,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:12:24,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 23:12:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238135997] [2025-04-24 23:12:24,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:12:24,157 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 23:12:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:24,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 23:12:24,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-24 23:12:24,157 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:24,158 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:24,158 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 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) [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:24,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:24,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:24,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:24,318 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-04-24 23:12:24,318 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 23:12:24,319 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:12:24,319 INFO L85 PathProgramCache]: Analyzing trace with hash -32982704, now seen corresponding path program 13 times [2025-04-24 23:12:24,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:12:24,319 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089956911] [2025-04-24 23:12:24,319 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:12:24,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:12:24,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-04-24 23:12:24,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-04-24 23:12:24,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:12:24,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 60 proven. 255 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2025-04-24 23:12:25,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:12:25,456 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089956911] [2025-04-24 23:12:25,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089956911] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:12:25,456 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230241750] [2025-04-24 23:12:25,456 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 23:12:25,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:12:25,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:12:25,460 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:12:25,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 23:12:25,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-04-24 23:12:25,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-04-24 23:12:25,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 23:12:25,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:25,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 23:12:25,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:12:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 376 proven. 11 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2025-04-24 23:12:25,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:12:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 355 proven. 32 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2025-04-24 23:12:26,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230241750] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:12:26,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:12:26,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 32 [2025-04-24 23:12:26,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184752595] [2025-04-24 23:12:26,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:12:26,205 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-24 23:12:26,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:26,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-24 23:12:26,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=787, Unknown=0, NotChecked=0, Total=992 [2025-04-24 23:12:26,206 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:26,206 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:26,206 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.84375) internal successors, (219), 32 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:26,206 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:26,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:26,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:26,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:26,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,207 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:26,535 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:26,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:26,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 23:12:26,742 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:12:26,743 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 23:12:26,743 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:12:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash 660056200, now seen corresponding path program 14 times [2025-04-24 23:12:26,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:12:26,743 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261977626] [2025-04-24 23:12:26,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:12:26,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:12:26,763 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 148 statements into 2 equivalence classes. [2025-04-24 23:12:26,805 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 148 of 148 statements. [2025-04-24 23:12:26,806 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:12:26,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-04-24 23:12:27,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:12:27,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261977626] [2025-04-24 23:12:27,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261977626] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:12:27,193 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677031700] [2025-04-24 23:12:27,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 23:12:27,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:12:27,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:12:27,195 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:12:27,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 23:12:27,300 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 148 statements into 2 equivalence classes. [2025-04-24 23:12:27,359 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 148 of 148 statements. [2025-04-24 23:12:27,359 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 23:12:27,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:27,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-24 23:12:27,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:12:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 128 proven. 24 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2025-04-24 23:12:27,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:12:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2025-04-24 23:12:27,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677031700] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:12:27,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:12:27,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 7] total 22 [2025-04-24 23:12:27,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5024833] [2025-04-24 23:12:27,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:12:27,678 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-24 23:12:27,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:27,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-24 23:12:27,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2025-04-24 23:12:27,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:27,679 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:27,679 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.863636363636363) internal successors, (151), 22 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:27,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:28,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:28,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:28,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:12:28,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 23:12:28,578 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 23:12:28,578 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 23:12:28,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:12:28,580 INFO L85 PathProgramCache]: Analyzing trace with hash -280421201, now seen corresponding path program 15 times [2025-04-24 23:12:28,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:12:28,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177064741] [2025-04-24 23:12:28,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 23:12:28,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:12:28,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1076 statements into 29 equivalence classes. [2025-04-24 23:12:28,677 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 71 of 1076 statements. [2025-04-24 23:12:28,677 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-24 23:12:28,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9061 trivial. 0 not checked. [2025-04-24 23:12:29,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:12:29,003 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177064741] [2025-04-24 23:12:29,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177064741] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 23:12:29,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 23:12:29,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-24 23:12:29,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497112655] [2025-04-24 23:12:29,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 23:12:29,003 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-24 23:12:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:29,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-24 23:12:29,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-04-24 23:12:29,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:29,004 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:29,004 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 23:12:29,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 23:12:29,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 23:12:29,447 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-04-24 23:12:29,447 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 23:12:29,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:12:29,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2121291976, now seen corresponding path program 16 times [2025-04-24 23:12:29,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:12:29,449 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878307277] [2025-04-24 23:12:29,449 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:12:29,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:12:29,513 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1004 statements into 2 equivalence classes. [2025-04-24 23:12:30,237 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1004 of 1004 statements. [2025-04-24 23:12:30,238 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:12:30,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5939 backedges. 410 proven. 3361 refuted. 0 times theorem prover too weak. 2168 trivial. 0 not checked. [2025-04-24 23:12:42,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:12:42,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878307277] [2025-04-24 23:12:42,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878307277] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:12:42,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115424174] [2025-04-24 23:12:42,267 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 23:12:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:12:42,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:12:42,271 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:12:42,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 23:12:42,707 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1004 statements into 2 equivalence classes. [2025-04-24 23:12:43,213 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 1004 of 1004 statements. [2025-04-24 23:12:43,214 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 23:12:43,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:12:43,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 3595 conjuncts, 113 conjuncts are in the unsatisfiable core [2025-04-24 23:12:43,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 23:12:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5939 backedges. 5569 proven. 347 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-24 23:12:50,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 23:12:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5939 backedges. 5509 proven. 407 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-24 23:12:56,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115424174] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 23:12:56,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 23:12:56,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 111, 111] total 229 [2025-04-24 23:12:56,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033977794] [2025-04-24 23:12:56,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 23:12:56,635 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-04-24 23:12:56,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 23:12:56,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-04-24 23:12:56,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17394, Invalid=35276, Unknown=0, NotChecked=0, Total=52670 [2025-04-24 23:12:56,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:12:56,666 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 23:12:56,669 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 8.57391304347826) internal successors, (1972), 229 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:56,669 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 23:12:56,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 23:13:00,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 23:13:00,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 23:13:00,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 23:13:00,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 23:13:00,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 23:13:00,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 23:13:00,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-04-24 23:13:00,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 23:13:00,753 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 23:13:00,753 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 23:13:00,754 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 23:13:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash -327036533, now seen corresponding path program 17 times [2025-04-24 23:13:00,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 23:13:00,755 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832769361] [2025-04-24 23:13:00,755 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:13:00,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 23:13:00,875 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1941 statements into 40 equivalence classes. [2025-04-24 23:15:26,003 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 40 check-sat command(s) and asserted 1941 of 1941 statements. [2025-04-24 23:15:26,003 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 40 check-sat command(s) [2025-04-24 23:15:26,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 23:16:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 27684 backedges. 25722 proven. 1866 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-04-24 23:16:11,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 23:16:11,477 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832769361] [2025-04-24 23:16:11,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832769361] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 23:16:11,477 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620101742] [2025-04-24 23:16:11,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 23:16:11,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 23:16:11,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 23:16:11,479 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 23:16:11,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 23:16:11,880 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1941 statements into 40 equivalence classes.