./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis PERSISTENT_SETS --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-20 05:17:51,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-20 05:17:51,801 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-20 05:17:51,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-20 05:17:51,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-20 05:17:51,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-20 05:17:51,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-20 05:17:51,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-20 05:17:51,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-20 05:17:51,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-20 05:17:51,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-20 05:17:51,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-20 05:17:51,826 INFO L153 SettingsManager]: * Use SBE=true [2025-03-20 05:17:51,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-20 05:17:51,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-20 05:17:51,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 05:17:51,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-20 05:17:51,828 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-20 05:17:51,829 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-20 05:17:51,829 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 -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> PERSISTENT_SETS [2025-03-20 05:17:52,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-20 05:17:52,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-20 05:17:52,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-20 05:17:52,085 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-20 05:17:52,087 INFO L274 PluginConnector]: CDTParser initialized [2025-03-20 05:17:52,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2025-03-20 05:17:53,393 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5eb603885/df4570631ab74703b191ae175f6b3f64/FLAG791d60166 [2025-03-20 05:17:53,532 INFO L389 CDTParser]: Found 1 translation units. [2025-03-20 05:17:53,533 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2025-03-20 05:17:53,538 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5eb603885/df4570631ab74703b191ae175f6b3f64/FLAG791d60166 [2025-03-20 05:17:54,443 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5eb603885/df4570631ab74703b191ae175f6b3f64 [2025-03-20 05:17:54,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-20 05:17:54,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-20 05:17:54,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-20 05:17:54,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-20 05:17:54,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-20 05:17:54,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f83db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54, skipping insertion in model container [2025-03-20 05:17:54,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-20 05:17:54,579 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2025-03-20 05:17:54,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 05:17:54,587 INFO L200 MainTranslator]: Completed pre-run [2025-03-20 05:17:54,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2124,2137] [2025-03-20 05:17:54,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-20 05:17:54,616 INFO L204 MainTranslator]: Completed translation [2025-03-20 05:17:54,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54 WrapperNode [2025-03-20 05:17:54,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-20 05:17:54,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-20 05:17:54,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-20 05:17:54,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-20 05:17:54,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,637 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2025-03-20 05:17:54,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-20 05:17:54,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-20 05:17:54,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-20 05:17:54,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-20 05:17:54,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-20 05:17:54,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-20 05:17:54,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-20 05:17:54,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-20 05:17:54,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (1/1) ... [2025-03-20 05:17:54,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-20 05:17:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:17:54,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-20 05:17:54,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-20 05:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-20 05:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-20 05:17:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-20 05:17:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-20 05:17:54,713 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-20 05:17:54,782 INFO L234 CfgBuilder]: Building ICFG [2025-03-20 05:17:54,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-20 05:17:54,908 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-20 05:17:54,909 INFO L283 CfgBuilder]: Performing block encoding [2025-03-20 05:17:55,025 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-20 05:17:55,025 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-20 05:17:55,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:17:55 BoogieIcfgContainer [2025-03-20 05:17:55,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-20 05:17:55,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-20 05:17:55,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-20 05:17:55,032 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-20 05:17:55,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 05:17:54" (1/3) ... [2025-03-20 05:17:55,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dfc5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:17:55, skipping insertion in model container [2025-03-20 05:17:55,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 05:17:54" (2/3) ... [2025-03-20 05:17:55,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dfc5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 05:17:55, skipping insertion in model container [2025-03-20 05:17:55,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 05:17:55" (3/3) ... [2025-03-20 05:17:55,036 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2025-03-20 05:17:55,047 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-20 05:17:55,049 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-nonblocking-cntr-alt.wvr.c that has 3 procedures, 20 locations, 19 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-20 05:17:55,050 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-20 05:17:55,084 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-20 05:17:55,119 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 05:17:55,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-20 05:17:55,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:17:55,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-20 05:17:55,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-20 05:17:55,176 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-20 05:17:55,184 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-20 05:17:55,189 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;@4c8647eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-20 05:17:55,189 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-20 05:17:55,394 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:17:55,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:17:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -411476963, now seen corresponding path program 1 times [2025-03-20 05:17:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:17:55,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234180084] [2025-03-20 05:17:55,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 05:17:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:17:55,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-20 05:17:55,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-20 05:17:55,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:17:55,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:17:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:17:55,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:17:55,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234180084] [2025-03-20 05:17:55,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234180084] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 05:17:55,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 05:17:55,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-20 05:17:55,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044546537] [2025-03-20 05:17:55,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:17:55,913 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-20 05:17:55,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:17:55,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-20 05:17:55,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-20 05:17:55,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:17:55,929 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:17:55,930 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:17:55,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:17:56,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:17:56,017 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-20 05:17:56,017 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:17:56,018 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:17:56,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1160181393, now seen corresponding path program 2 times [2025-03-20 05:17:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:17:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603471738] [2025-03-20 05:17:56,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:17:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:17:56,024 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:17:56,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:17:56,031 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:17:56,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:17:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:17:56,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:17:56,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603471738] [2025-03-20 05:17:56,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603471738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:17:56,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696957945] [2025-03-20 05:17:56,401 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:17:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:17:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:17:56,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:17:56,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-20 05:17:56,455 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:17:56,467 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:17:56,467 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:17:56,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:17:56,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-20 05:17:56,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:17:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:17:56,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:17:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:17:57,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696957945] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:17:57,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:17:57,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 32 [2025-03-20 05:17:57,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009696135] [2025-03-20 05:17:57,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:17:57,291 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-03-20 05:17:57,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:17:57,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-03-20 05:17:57,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056 [2025-03-20 05:17:57,292 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:17:57,293 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:17:57,293 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.5757575757575757) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:17:57,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:17:57,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:17:58,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:17:58,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:17:58,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-20 05:17:58,594 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-20 05:17:58,594 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:17:58,594 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:17:58,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1975430499, now seen corresponding path program 3 times [2025-03-20 05:17:58,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:17:58,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854335678] [2025-03-20 05:17:58,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:17:58,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:17:58,600 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 5 equivalence classes. [2025-03-20 05:17:58,611 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 38 of 38 statements. [2025-03-20 05:17:58,612 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-20 05:17:58,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:17:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-20 05:17:59,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:17:59,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854335678] [2025-03-20 05:17:59,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854335678] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:17:59,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637539356] [2025-03-20 05:17:59,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:17:59,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:17:59,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:17:59,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:17:59,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-20 05:17:59,128 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 5 equivalence classes. [2025-03-20 05:17:59,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 38 of 38 statements. [2025-03-20 05:17:59,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-20 05:17:59,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:17:59,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-20 05:17:59,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:17:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:17:59,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:01,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637539356] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:01,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:01,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 23] total 55 [2025-03-20 05:18:01,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781221000] [2025-03-20 05:18:01,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:01,545 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-03-20 05:18:01,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:01,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-03-20 05:18:01,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2748, Unknown=0, NotChecked=0, Total=3080 [2025-03-20 05:18:01,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:01,548 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:01,548 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.6071428571428572) internal successors, (90), 55 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:01,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:01,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:01,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:03,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:03,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:03,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-03-20 05:18:03,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-20 05:18:03,718 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:03,719 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:03,719 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:03,719 INFO L85 PathProgramCache]: Analyzing trace with hash 627930189, now seen corresponding path program 4 times [2025-03-20 05:18:03,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:03,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703812960] [2025-03-20 05:18:03,719 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:03,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:03,724 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-03-20 05:18:03,731 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-03-20 05:18:03,731 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:03,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-03-20 05:18:04,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:04,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703812960] [2025-03-20 05:18:04,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703812960] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:04,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871626018] [2025-03-20 05:18:04,133 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:04,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:04,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:04,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:04,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-20 05:18:04,158 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-03-20 05:18:04,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-03-20 05:18:04,170 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:04,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:04,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-03-20 05:18:04,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:04,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:05,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871626018] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:05,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:05,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 30, 25] total 66 [2025-03-20 05:18:05,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421207039] [2025-03-20 05:18:05,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:05,538 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2025-03-20 05:18:05,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:05,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2025-03-20 05:18:05,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=3941, Unknown=0, NotChecked=0, Total=4422 [2025-03-20 05:18:05,541 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:05,541 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:05,541 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.7611940298507462) internal successors, (118), 66 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:05,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:05,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:05,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-03-20 05:18:05,541 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:07,756 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:07,756 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:07,756 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:18:07,756 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:07,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-20 05:18:07,956 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:07,957 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:07,957 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2138682461, now seen corresponding path program 5 times [2025-03-20 05:18:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:07,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522089311] [2025-03-20 05:18:07,957 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:07,963 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 8 equivalence classes. [2025-03-20 05:18:07,973 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 54 of 54 statements. [2025-03-20 05:18:07,973 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-03-20 05:18:07,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-03-20 05:18:08,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:08,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522089311] [2025-03-20 05:18:08,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522089311] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:08,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534794529] [2025-03-20 05:18:08,444 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:08,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:08,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:08,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:08,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-20 05:18:08,475 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 54 statements into 8 equivalence classes. [2025-03-20 05:18:08,490 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 54 of 54 statements. [2025-03-20 05:18:08,490 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-03-20 05:18:08,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:08,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-03-20 05:18:08,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:09,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534794529] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:12,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:12,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 33, 32] total 77 [2025-03-20 05:18:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525902247] [2025-03-20 05:18:12,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:12,632 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-03-20 05:18:12,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:12,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-03-20 05:18:12,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=577, Invalid=5429, Unknown=0, NotChecked=0, Total=6006 [2025-03-20 05:18:12,634 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:12,634 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:12,634 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 77 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:12,634 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:12,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:12,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:18:12,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:12,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:15,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:15,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:15,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-20 05:18:15,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:15,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-03-20 05:18:15,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:16,041 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:16,041 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:16,041 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -134715615, now seen corresponding path program 6 times [2025-03-20 05:18:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491085511] [2025-03-20 05:18:16,041 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:18:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:16,048 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 58 statements into 8 equivalence classes. [2025-03-20 05:18:16,072 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 58 of 58 statements. [2025-03-20 05:18:16,073 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-03-20 05:18:16,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-20 05:18:16,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:16,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491085511] [2025-03-20 05:18:16,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491085511] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:16,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966966541] [2025-03-20 05:18:16,541 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:18:16,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:16,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:16,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-20 05:18:16,572 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 58 statements into 8 equivalence classes. [2025-03-20 05:18:16,588 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 58 of 58 statements. [2025-03-20 05:18:16,588 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-03-20 05:18:16,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:16,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-03-20 05:18:16,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:17,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:18,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966966541] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:18,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:18,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 35, 28] total 72 [2025-03-20 05:18:18,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455165399] [2025-03-20 05:18:18,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:18,013 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-03-20 05:18:18,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:18,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-03-20 05:18:18,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=4527, Unknown=0, NotChecked=0, Total=5256 [2025-03-20 05:18:18,015 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:18,015 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:18,015 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.7808219178082192) internal successors, (130), 72 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-03-20 05:18:18,015 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:23,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:23,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-03-20 05:18:23,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:23,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2025-03-20 05:18:23,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-03-20 05:18:23,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2025-03-20 05:18:23,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:23,425 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:23,425 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:23,426 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:23,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1193413753, now seen corresponding path program 7 times [2025-03-20 05:18:23,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:23,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473129701] [2025-03-20 05:18:23,426 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:18:23,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:23,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-20 05:18:23,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-20 05:18:23,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:18:23,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:23,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473129701] [2025-03-20 05:18:23,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473129701] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486448874] [2025-03-20 05:18:23,645 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:18:23,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:23,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:23,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-20 05:18:23,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-20 05:18:23,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-20 05:18:23,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:18:23,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:23,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-20 05:18:23,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:23,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:24,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486448874] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:24,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:24,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 39 [2025-03-20 05:18:24,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192327564] [2025-03-20 05:18:24,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:24,458 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-03-20 05:18:24,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:24,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-03-20 05:18:24,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1362, Unknown=0, NotChecked=0, Total=1560 [2025-03-20 05:18:24,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:24,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:24,459 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.65) internal successors, (66), 39 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2025-03-20 05:18:24,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:25,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:25,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:25,953 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-03-20 05:18:25,954 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:25,954 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:25,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1206907771, now seen corresponding path program 8 times [2025-03-20 05:18:25,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:25,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028130545] [2025-03-20 05:18:25,954 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:18:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:25,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 1 equivalence classes. [2025-03-20 05:18:25,959 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:18:25,959 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-20 05:18:25,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:26,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:26,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028130545] [2025-03-20 05:18:26,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028130545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 05:18:26,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 05:18:26,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-03-20 05:18:26,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253466060] [2025-03-20 05:18:26,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:18:26,144 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-20 05:18:26,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:26,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-20 05:18:26,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-03-20 05:18:26,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:26,144 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:26,144 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:26,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:26,145 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:26,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:26,359 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-20 05:18:26,359 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:26,359 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash -2142217007, now seen corresponding path program 9 times [2025-03-20 05:18:26,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:26,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589550912] [2025-03-20 05:18:26,359 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:18:26,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:26,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-03-20 05:18:26,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-03-20 05:18:26,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:18:26,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:26,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:26,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589550912] [2025-03-20 05:18:26,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589550912] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:26,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688712147] [2025-03-20 05:18:26,582 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:18:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:26,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:26,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:26,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-20 05:18:26,604 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-03-20 05:18:26,616 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-03-20 05:18:26,616 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:18:26,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:26,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-20 05:18:26,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:26,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688712147] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:27,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:27,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 15] total 41 [2025-03-20 05:18:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672912375] [2025-03-20 05:18:27,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:27,161 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-20 05:18:27,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:27,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-20 05:18:27,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1512, Unknown=0, NotChecked=0, Total=1722 [2025-03-20 05:18:27,161 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:27,161 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:27,162 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.619047619047619) internal successors, (68), 41 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) [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:27,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:28,342 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:28,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-20 05:18:28,543 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:28,543 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:28,543 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:28,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1125785073, now seen corresponding path program 10 times [2025-03-20 05:18:28,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250124249] [2025-03-20 05:18:28,543 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:28,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:28,546 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-03-20 05:18:28,549 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-03-20 05:18:28,550 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:28,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-20 05:18:28,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:28,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250124249] [2025-03-20 05:18:28,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250124249] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:28,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798342314] [2025-03-20 05:18:28,800 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:28,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:28,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:28,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:28,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-20 05:18:28,825 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 36 statements into 2 equivalence classes. [2025-03-20 05:18:28,835 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-03-20 05:18:28,835 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:28,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:28,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-20 05:18:28,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:29,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:29,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798342314] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:29,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:29,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 22, 19] total 53 [2025-03-20 05:18:29,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774002279] [2025-03-20 05:18:29,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:29,747 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-03-20 05:18:29,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:29,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-03-20 05:18:29,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=2558, Unknown=0, NotChecked=0, Total=2862 [2025-03-20 05:18:29,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:29,748 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:29,748 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.7037037037037037) internal successors, (92), 53 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:29,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:29,749 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:29,749 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:29,749 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:31,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:31,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:31,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:31,724 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-20 05:18:31,725 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:31,725 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:31,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2092291729, now seen corresponding path program 11 times [2025-03-20 05:18:31,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:31,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413324295] [2025-03-20 05:18:31,725 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:31,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:31,728 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 44 statements into 5 equivalence classes. [2025-03-20 05:18:31,733 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 44 of 44 statements. [2025-03-20 05:18:31,733 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-03-20 05:18:31,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-20 05:18:32,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:32,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413324295] [2025-03-20 05:18:32,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413324295] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:32,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504791304] [2025-03-20 05:18:32,016 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:32,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:32,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:32,018 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:32,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-20 05:18:32,039 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 44 statements into 5 equivalence classes. [2025-03-20 05:18:32,049 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 44 of 44 statements. [2025-03-20 05:18:32,049 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-03-20 05:18:32,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:32,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-20 05:18:32,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:32,476 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:33,165 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:33,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504791304] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:33,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:33,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 27, 22] total 59 [2025-03-20 05:18:33,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505856087] [2025-03-20 05:18:33,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:33,166 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-03-20 05:18:33,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:33,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-03-20 05:18:33,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=3197, Unknown=0, NotChecked=0, Total=3540 [2025-03-20 05:18:33,167 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:33,167 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:33,167 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.75) internal successors, (105), 59 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:33,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:35,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:35,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-03-20 05:18:35,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-20 05:18:35,878 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-20 05:18:35,878 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:35,879 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash 550595453, now seen corresponding path program 12 times [2025-03-20 05:18:35,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:35,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102898311] [2025-03-20 05:18:35,879 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:18:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:35,881 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 45 statements into 5 equivalence classes. [2025-03-20 05:18:35,887 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 45 of 45 statements. [2025-03-20 05:18:35,887 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-20 05:18:35,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-03-20 05:18:36,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:36,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102898311] [2025-03-20 05:18:36,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102898311] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:36,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986918387] [2025-03-20 05:18:36,002 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:18:36,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:36,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:36,004 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:36,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-20 05:18:36,028 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 45 statements into 5 equivalence classes. [2025-03-20 05:18:36,054 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 45 of 45 statements. [2025-03-20 05:18:36,054 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-20 05:18:36,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:36,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-20 05:18:36,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-20 05:18:36,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-20 05:18:36,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986918387] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:36,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:36,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 10 [2025-03-20 05:18:36,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352018138] [2025-03-20 05:18:36,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:36,214 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-20 05:18:36,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:36,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-20 05:18:36,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-03-20 05:18:36,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:36,215 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:36,215 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-03-20 05:18:36,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:36,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-03-20 05:18:36,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:36,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:36,489 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:36,489 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:36,489 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:36,489 INFO L85 PathProgramCache]: Analyzing trace with hash -651145387, now seen corresponding path program 13 times [2025-03-20 05:18:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:36,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63067844] [2025-03-20 05:18:36,489 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:18:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:36,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-20 05:18:36,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-20 05:18:36,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:18:36,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-20 05:18:36,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63067844] [2025-03-20 05:18:36,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63067844] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:36,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228065533] [2025-03-20 05:18:36,809 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:18:36,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:36,811 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:36,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-20 05:18:36,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-20 05:18:36,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-20 05:18:36,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:18:36,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:36,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-03-20 05:18:36,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:37,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:37,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228065533] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:37,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:37,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 24] total 63 [2025-03-20 05:18:37,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318170109] [2025-03-20 05:18:37,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:37,953 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-03-20 05:18:37,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:37,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-03-20 05:18:37,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2025-03-20 05:18:37,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:37,954 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:37,954 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.734375) internal successors, (111), 63 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:37,954 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:37,955 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:40,525 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-03-20 05:18:40,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-20 05:18:40,725 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-20 05:18:40,726 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:40,726 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1936672605, now seen corresponding path program 1 times [2025-03-20 05:18:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:40,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253120782] [2025-03-20 05:18:40,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-20 05:18:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:40,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-03-20 05:18:40,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-03-20 05:18:40,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:18:40,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:40,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:40,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253120782] [2025-03-20 05:18:40,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253120782] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 05:18:40,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 05:18:40,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-20 05:18:40,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688375694] [2025-03-20 05:18:40,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:18:40,746 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-20 05:18:40,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:40,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-20 05:18:40,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-20 05:18:40,747 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:40,747 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:40,747 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:40,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-03-20 05:18:40,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2025-03-20 05:18:40,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:40,805 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-20 05:18:40,805 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:40,807 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:40,807 INFO L85 PathProgramCache]: Analyzing trace with hash 893820083, now seen corresponding path program 14 times [2025-03-20 05:18:40,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:40,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126944263] [2025-03-20 05:18:40,807 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:18:40,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:40,810 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 1 equivalence classes. [2025-03-20 05:18:40,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-20 05:18:40,812 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-20 05:18:40,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:40,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:40,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126944263] [2025-03-20 05:18:40,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126944263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-20 05:18:40,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-20 05:18:40,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-20 05:18:40,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073781815] [2025-03-20 05:18:40,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-20 05:18:40,923 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-20 05:18:40,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:40,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-20 05:18:40,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-20 05:18:40,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:40,924 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:40,924 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:40,924 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:43,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:43,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:43,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:43,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:43,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:43,004 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-20 05:18:43,004 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:43,004 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:43,004 INFO L85 PathProgramCache]: Analyzing trace with hash 921808339, now seen corresponding path program 15 times [2025-03-20 05:18:43,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:43,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427955034] [2025-03-20 05:18:43,004 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:18:43,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:43,007 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 51 statements into 7 equivalence classes. [2025-03-20 05:18:43,016 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 51 of 51 statements. [2025-03-20 05:18:43,016 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-03-20 05:18:43,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-20 05:18:43,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427955034] [2025-03-20 05:18:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427955034] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482106693] [2025-03-20 05:18:43,359 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:18:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:43,360 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:43,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-20 05:18:43,383 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 51 statements into 7 equivalence classes. [2025-03-20 05:18:43,394 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 51 of 51 statements. [2025-03-20 05:18:43,394 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-03-20 05:18:43,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:43,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-03-20 05:18:43,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:43,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:44,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482106693] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:44,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:44,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 31, 25] total 70 [2025-03-20 05:18:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218423678] [2025-03-20 05:18:44,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:44,730 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-03-20 05:18:44,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:44,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-03-20 05:18:44,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=4439, Unknown=0, NotChecked=0, Total=4970 [2025-03-20 05:18:44,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:44,732 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:44,732 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.8028169014084507) internal successors, (128), 70 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:44,732 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:47,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:47,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:47,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:47,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:47,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:18:47,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-20 05:18:47,639 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-20 05:18:47,640 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:47,640 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:47,640 INFO L85 PathProgramCache]: Analyzing trace with hash -107639173, now seen corresponding path program 16 times [2025-03-20 05:18:47,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:47,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795575124] [2025-03-20 05:18:47,640 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:47,643 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 58 statements into 2 equivalence classes. [2025-03-20 05:18:47,648 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-03-20 05:18:47,648 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:47,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-20 05:18:48,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795575124] [2025-03-20 05:18:48,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795575124] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977812175] [2025-03-20 05:18:48,053 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:18:48,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:48,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:48,055 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:48,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-20 05:18:48,078 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 58 statements into 2 equivalence classes. [2025-03-20 05:18:48,089 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-03-20 05:18:48,089 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:18:48,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:48,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-03-20 05:18:48,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:48,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-20 05:18:49,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977812175] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:49,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:49,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 35, 17] total 61 [2025-03-20 05:18:49,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883848691] [2025-03-20 05:18:49,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:49,295 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-03-20 05:18:49,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:49,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-03-20 05:18:49,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=3380, Unknown=0, NotChecked=0, Total=3782 [2025-03-20 05:18:49,296 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:49,296 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:49,296 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 61 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:18:49,296 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:51,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:18:51,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:18:51,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-20 05:18:52,110 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-20 05:18:52,110 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:18:52,110 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:18:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1393877007, now seen corresponding path program 17 times [2025-03-20 05:18:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:18:52,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892569553] [2025-03-20 05:18:52,111 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:18:52,114 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 81 statements into 13 equivalence classes. [2025-03-20 05:18:52,131 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 81 of 81 statements. [2025-03-20 05:18:52,132 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-03-20 05:18:52,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 76 proven. 76 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2025-03-20 05:18:52,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:18:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892569553] [2025-03-20 05:18:52,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892569553] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:18:52,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018872714] [2025-03-20 05:18:52,818 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:18:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:18:52,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:18:52,820 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:18:52,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-20 05:18:52,844 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 81 statements into 13 equivalence classes. [2025-03-20 05:18:52,861 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 81 of 81 statements. [2025-03-20 05:18:52,861 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-03-20 05:18:52,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:18:52,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-03-20 05:18:52,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:18:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:18:54,003 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:18:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 2 proven. 330 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-20 05:18:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018872714] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:18:55,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:18:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 49, 38] total 105 [2025-03-20 05:18:55,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380127994] [2025-03-20 05:18:55,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:18:55,432 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-03-20 05:18:55,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:18:55,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-03-20 05:18:55,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1246, Invalid=9884, Unknown=0, NotChecked=0, Total=11130 [2025-03-20 05:18:55,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:18:55,434 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:18:55,434 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 105 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:18:55,434 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:07,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:19:07,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:19:07,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:19:07,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-20 05:19:07,778 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-20 05:19:07,778 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:19:07,779 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:19:07,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1964336291, now seen corresponding path program 18 times [2025-03-20 05:19:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:19:07,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363057733] [2025-03-20 05:19:07,779 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:19:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:19:07,782 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 14 equivalence classes. [2025-03-20 05:19:07,801 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 95 of 95 statements. [2025-03-20 05:19:07,801 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-03-20 05:19:07,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:19:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 106 proven. 169 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-03-20 05:19:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:19:08,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363057733] [2025-03-20 05:19:08,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363057733] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:19:08,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459298430] [2025-03-20 05:19:08,640 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:19:08,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:19:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:19:08,641 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:19:08,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-20 05:19:08,672 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 14 equivalence classes. [2025-03-20 05:19:08,693 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 95 of 95 statements. [2025-03-20 05:19:08,693 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-03-20 05:19:08,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:19:08,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-03-20 05:19:08,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:19:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:19:10,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:19:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-20 05:19:12,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459298430] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:19:12,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:19:12,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 58, 44] total 119 [2025-03-20 05:19:12,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334019388] [2025-03-20 05:19:12,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:19:12,166 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-03-20 05:19:12,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:19:12,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-03-20 05:19:12,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=12849, Unknown=0, NotChecked=0, Total=14280 [2025-03-20 05:19:12,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:19:12,169 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:19:12,170 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 1.85) internal successors, (222), 119 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:19:12,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:19:31,955 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:19:31,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:19:31,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-20 05:19:32,157 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:19:32,157 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:19:32,158 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:19:32,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1006282589, now seen corresponding path program 19 times [2025-03-20 05:19:32,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:19:32,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59932610] [2025-03-20 05:19:32,158 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:19:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:19:32,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-20 05:19:32,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-20 05:19:32,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:19:32,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:19:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 137 proven. 1214 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2025-03-20 05:19:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:19:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59932610] [2025-03-20 05:19:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59932610] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:19:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063791610] [2025-03-20 05:19:34,560 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:19:34,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:19:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:19:34,562 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:19:34,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-20 05:19:34,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-20 05:19:34,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-20 05:19:34,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:19:34,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:19:34,623 WARN L254 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 172 conjuncts are in the unsatisfiable core [2025-03-20 05:19:34,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:19:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:19:37,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:19:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2057 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-03-20 05:19:42,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063791610] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:19:42,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:19:42,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 104, 72] total 195 [2025-03-20 05:19:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150803885] [2025-03-20 05:19:42,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:19:42,641 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2025-03-20 05:19:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:19:42,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2025-03-20 05:19:42,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4444, Invalid=33776, Unknown=0, NotChecked=0, Total=38220 [2025-03-20 05:19:42,644 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:19:42,644 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:19:42,644 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 1.9081632653061225) internal successors, (374), 195 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:19:42,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:42,644 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:19:42,645 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:20:03,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:20:03,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2025-03-20 05:20:03,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-20 05:20:03,888 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:03,888 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:03,889 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1748686947, now seen corresponding path program 20 times [2025-03-20 05:20:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304188377] [2025-03-20 05:20:03,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:20:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:03,894 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-03-20 05:20:03,917 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-03-20 05:20:03,917 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:20:03,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2494 backedges. 208 proven. 1435 refuted. 0 times theorem prover too weak. 851 trivial. 0 not checked. [2025-03-20 05:20:06,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:06,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304188377] [2025-03-20 05:20:06,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304188377] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:06,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863738601] [2025-03-20 05:20:06,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:20:06,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:06,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:06,715 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:06,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-20 05:20:06,749 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-03-20 05:20:06,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-03-20 05:20:06,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:20:06,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:06,781 WARN L254 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 180 conjuncts are in the unsatisfiable core [2025-03-20 05:20:06,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2494 backedges. 0 proven. 2494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:10,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:15,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2494 backedges. 2 proven. 2480 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-20 05:20:15,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863738601] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:15,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:15,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 110, 80] total 211 [2025-03-20 05:20:15,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548859295] [2025-03-20 05:20:15,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:15,455 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2025-03-20 05:20:15,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:15,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2025-03-20 05:20:15,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6080, Invalid=38652, Unknown=0, NotChecked=0, Total=44732 [2025-03-20 05:20:15,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:15,460 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:15,460 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 212 states have (on average 1.8867924528301887) internal successors, (400), 211 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 408 states. [2025-03-20 05:20:15,460 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:36,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2025-03-20 05:20:36,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 408 states. [2025-03-20 05:20:36,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 405 states. [2025-03-20 05:20:36,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-20 05:20:36,397 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-03-20 05:20:36,397 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:36,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash -472011939, now seen corresponding path program 21 times [2025-03-20 05:20:36,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:36,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904080550] [2025-03-20 05:20:36,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:20:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:36,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 2 equivalence classes. [2025-03-20 05:20:36,401 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-20 05:20:36,401 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:20:36,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:36,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:36,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904080550] [2025-03-20 05:20:36,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904080550] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:36,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624655758] [2025-03-20 05:20:36,487 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:20:36,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:36,488 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:36,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-20 05:20:36,511 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 18 statements into 2 equivalence classes. [2025-03-20 05:20:36,517 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 18 of 18 statements. [2025-03-20 05:20:36,517 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-20 05:20:36,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:36,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-20 05:20:36,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:36,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:36,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624655758] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:36,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:36,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2025-03-20 05:20:36,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128521378] [2025-03-20 05:20:36,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:36,827 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-20 05:20:36,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:36,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-20 05:20:36,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2025-03-20 05:20:36,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:36,827 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:36,828 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 538 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 408 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 405 states. [2025-03-20 05:20:36,828 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:37,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:37,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-20 05:20:38,121 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:38,121 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:38,121 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash -187523971, now seen corresponding path program 22 times [2025-03-20 05:20:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:38,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138777487] [2025-03-20 05:20:38,121 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:20:38,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:38,124 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-03-20 05:20:38,126 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-03-20 05:20:38,126 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:20:38,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-20 05:20:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138777487] [2025-03-20 05:20:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138777487] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383822877] [2025-03-20 05:20:38,286 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:20:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:38,288 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:38,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-20 05:20:38,312 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-03-20 05:20:38,321 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-03-20 05:20:38,321 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:20:38,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:38,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-20 05:20:38,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:38,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383822877] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:39,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:39,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 24, 24] total 57 [2025-03-20 05:20:39,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951353050] [2025-03-20 05:20:39,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:39,758 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-03-20 05:20:39,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:39,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-03-20 05:20:39,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=2950, Unknown=0, NotChecked=0, Total=3306 [2025-03-20 05:20:39,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:39,759 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:39,759 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.6379310344827587) internal successors, (95), 57 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:39,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:42,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:42,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:42,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:42,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:42,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-20 05:20:43,014 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-20 05:20:43,014 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:43,014 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:43,014 INFO L85 PathProgramCache]: Analyzing trace with hash 743721471, now seen corresponding path program 23 times [2025-03-20 05:20:43,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:43,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752705918] [2025-03-20 05:20:43,014 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:20:43,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:43,016 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:20:43,018 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:20:43,018 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:20:43,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:43,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:43,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752705918] [2025-03-20 05:20:43,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752705918] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:43,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360846905] [2025-03-20 05:20:43,136 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:20:43,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:43,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:43,138 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:43,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-20 05:20:43,158 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:20:43,165 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:20:43,165 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:20:43,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:43,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-20 05:20:43,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:43,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360846905] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:43,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:43,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2025-03-20 05:20:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128265719] [2025-03-20 05:20:43,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:43,536 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-20 05:20:43,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:43,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-20 05:20:43,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1177, Unknown=0, NotChecked=0, Total=1406 [2025-03-20 05:20:43,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:43,537 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:43,537 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 37 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:43,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:45,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:45,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:45,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:45,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:45,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:45,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-20 05:20:45,237 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:45,237 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:45,238 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -654498307, now seen corresponding path program 24 times [2025-03-20 05:20:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:45,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780519011] [2025-03-20 05:20:45,238 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:20:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:45,239 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 21 statements into 2 equivalence classes. [2025-03-20 05:20:45,241 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-03-20 05:20:45,241 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-20 05:20:45,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:45,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:45,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780519011] [2025-03-20 05:20:45,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780519011] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:45,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048544267] [2025-03-20 05:20:45,355 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:20:45,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:45,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:45,357 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:45,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-20 05:20:45,377 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 21 statements into 2 equivalence classes. [2025-03-20 05:20:45,383 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-03-20 05:20:45,383 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-20 05:20:45,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:45,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-20 05:20:45,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:45,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:45,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048544267] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:45,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:45,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-03-20 05:20:45,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289859338] [2025-03-20 05:20:45,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:45,984 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-20 05:20:45,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:45,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-20 05:20:45,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=959, Unknown=0, NotChecked=0, Total=1122 [2025-03-20 05:20:45,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:45,985 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:45,985 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.6764705882352942) internal successors, (57), 33 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:45,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:47,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:47,779 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:20:47,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-20 05:20:47,979 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-20 05:20:47,979 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:20:47,979 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:20:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2142704645, now seen corresponding path program 25 times [2025-03-20 05:20:47,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:20:47,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414664971] [2025-03-20 05:20:47,980 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:20:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:20:47,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-20 05:20:47,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:20:47,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:20:47,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:48,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:20:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414664971] [2025-03-20 05:20:48,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414664971] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:20:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74705594] [2025-03-20 05:20:48,103 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:20:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:20:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:20:48,105 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:20:48,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-20 05:20:48,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-20 05:20:48,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:20:48,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:20:48,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:20:48,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-20 05:20:48,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:20:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:20:48,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:20:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 05:20:48,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74705594] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:20:48,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:20:48,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 35 [2025-03-20 05:20:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261441508] [2025-03-20 05:20:48,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:20:48,565 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-03-20 05:20:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:20:48,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-03-20 05:20:48,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2025-03-20 05:20:48,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:20:48,566 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:20:48,566 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.5833333333333333) internal successors, (57), 35 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 539 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-03-20 05:20:48,566 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 695 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:21:11,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:21:11,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:21:11,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:21:11,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-20 05:21:11,996 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-20 05:21:11,996 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:21:11,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:21:11,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1023005123, now seen corresponding path program 26 times [2025-03-20 05:21:11,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:21:11,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134653667] [2025-03-20 05:21:11,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:21:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:21:12,002 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 181 statements into 2 equivalence classes. [2025-03-20 05:21:12,018 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 181 of 181 statements. [2025-03-20 05:21:12,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:21:12,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:21:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 30 proven. 247 refuted. 0 times theorem prover too weak. 2175 trivial. 0 not checked. [2025-03-20 05:21:14,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:21:14,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134653667] [2025-03-20 05:21:14,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134653667] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:21:14,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154612582] [2025-03-20 05:21:14,372 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-20 05:21:14,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:21:14,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:21:14,374 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:21:14,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-20 05:21:14,407 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 181 statements into 2 equivalence classes. [2025-03-20 05:21:14,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 181 of 181 statements. [2025-03-20 05:21:14,434 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-20 05:21:14,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:21:14,437 WARN L254 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 179 conjuncts are in the unsatisfiable core [2025-03-20 05:21:14,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:21:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 0 proven. 2452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:21:18,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:21:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 0 proven. 2451 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-20 05:21:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154612582] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:21:23,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:21:23,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 109, 77] total 201 [2025-03-20 05:21:23,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238227048] [2025-03-20 05:21:23,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:21:23,072 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 202 states [2025-03-20 05:21:23,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:21:23,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2025-03-20 05:21:23,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5031, Invalid=35571, Unknown=0, NotChecked=0, Total=40602 [2025-03-20 05:21:23,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:21:23,076 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:21:23,076 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 202 states, 202 states have (on average 1.900990099009901) internal successors, (384), 201 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 695 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:21:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:21:23,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:21:23,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:21:23,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:21:57,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 695 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:21:57,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:21:57,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:21:57,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-20 05:21:57,738 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:21:57,738 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:21:57,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:21:57,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1945905025, now seen corresponding path program 27 times [2025-03-20 05:21:57,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:21:57,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725628626] [2025-03-20 05:21:57,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:21:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:21:57,747 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 348 statements into 64 equivalence classes. [2025-03-20 05:21:58,153 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) and asserted 348 of 348 statements. [2025-03-20 05:21:58,154 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2025-03-20 05:21:58,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:22:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10469 backedges. 124 proven. 5509 refuted. 0 times theorem prover too weak. 4836 trivial. 0 not checked. [2025-03-20 05:22:08,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:22:08,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725628626] [2025-03-20 05:22:08,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725628626] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:22:08,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526837845] [2025-03-20 05:22:08,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-20 05:22:08,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:22:08,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:22:08,912 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:22:08,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-20 05:22:08,959 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 348 statements into 64 equivalence classes. [2025-03-20 05:22:09,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) and asserted 348 of 348 statements. [2025-03-20 05:22:09,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2025-03-20 05:22:09,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:22:09,153 WARN L254 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 345 conjuncts are in the unsatisfiable core [2025-03-20 05:22:09,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:22:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 10469 backedges. 0 proven. 10469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:22:18,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:22:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10469 backedges. 0 proven. 10463 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 05:22:33,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526837845] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:22:33,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:22:33,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 209, 143] total 368 [2025-03-20 05:22:33,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464232051] [2025-03-20 05:22:33,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:22:33,414 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 369 states [2025-03-20 05:22:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:22:33,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 369 interpolants. [2025-03-20 05:22:33,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18970, Invalid=116822, Unknown=0, NotChecked=0, Total=135792 [2025-03-20 05:22:33,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:22:33,421 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:22:33,422 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 369 states, 369 states have (on average 1.953929539295393) internal successors, (721), 368 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 695 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:22:33,422 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:23:27,650 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 696 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:23:27,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:23:27,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-20 05:23:27,851 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-20 05:23:27,852 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:23:27,852 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:23:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash -248466527, now seen corresponding path program 28 times [2025-03-20 05:23:27,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:23:27,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42824511] [2025-03-20 05:23:27,852 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:23:27,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:23:27,866 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 357 statements into 2 equivalence classes. [2025-03-20 05:23:28,021 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 357 of 357 statements. [2025-03-20 05:23:28,022 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:23:28,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:23:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10605 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-03-20 05:23:53,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:23:53,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42824511] [2025-03-20 05:23:53,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42824511] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:23:53,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823076000] [2025-03-20 05:23:53,785 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-20 05:23:53,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:23:53,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:23:53,787 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:23:53,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-20 05:23:53,839 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 357 statements into 2 equivalence classes. [2025-03-20 05:23:53,942 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 357 of 357 statements. [2025-03-20 05:23:53,942 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-20 05:23:53,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:23:53,948 WARN L254 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 357 conjuncts are in the unsatisfiable core [2025-03-20 05:23:53,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:24:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10605 backedges. 0 proven. 10605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:24:06,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:24:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10605 backedges. 0 proven. 10598 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-03-20 05:24:23,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823076000] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:24:23,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:24:23,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 215, 146] total 377 [2025-03-20 05:24:23,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642026069] [2025-03-20 05:24:23,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:24:23,609 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 378 states [2025-03-20 05:24:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:24:23,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2025-03-20 05:24:23,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19245, Invalid=123261, Unknown=0, NotChecked=0, Total=142506 [2025-03-20 05:24:23,627 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:24:23,627 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:24:23,628 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 378 states, 378 states have (on average 1.9523809523809523) internal successors, (738), 377 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:24:23,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 696 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:24:23,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:25:56,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:25:56,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:25:56,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 698 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:25:56,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 826 states. [2025-03-20 05:25:56,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-20 05:25:56,525 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-20 05:25:56,526 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:25:56,526 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:25:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash 130535359, now seen corresponding path program 29 times [2025-03-20 05:25:56,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:25:56,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547301674] [2025-03-20 05:25:56,526 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:25:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:25:56,535 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 368 statements into 66 equivalence classes. [2025-03-20 05:25:56,748 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) and asserted 368 of 368 statements. [2025-03-20 05:25:56,748 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) [2025-03-20 05:25:56,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 11536 backedges. 267 proven. 5981 refuted. 0 times theorem prover too weak. 5288 trivial. 0 not checked. [2025-03-20 05:26:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:26:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547301674] [2025-03-20 05:26:10,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547301674] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:26:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081585030] [2025-03-20 05:26:10,238 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-20 05:26:10,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:26:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:26:10,240 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:26:10,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-20 05:26:10,289 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 368 statements into 66 equivalence classes. [2025-03-20 05:26:10,821 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) and asserted 368 of 368 statements. [2025-03-20 05:26:10,821 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 66 check-sat command(s) [2025-03-20 05:26:10,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:26:10,830 WARN L254 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 365 conjuncts are in the unsatisfiable core [2025-03-20 05:26:10,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:26:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 11536 backedges. 0 proven. 11536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:26:21,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:26:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 11536 backedges. 2 proven. 11528 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-20 05:26:38,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081585030] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:26:38,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:26:38,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 221, 154] total 393 [2025-03-20 05:26:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708115122] [2025-03-20 05:26:38,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:26:38,219 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 394 states [2025-03-20 05:26:38,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:26:38,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 394 interpolants. [2025-03-20 05:26:38,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22254, Invalid=132588, Unknown=0, NotChecked=0, Total=154842 [2025-03-20 05:26:38,227 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:26:38,227 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:26:38,228 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 394 states, 394 states have (on average 1.9416243654822336) internal successors, (765), 393 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:26:38,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 640 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 698 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 826 states. [2025-03-20 05:26:38,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:28:18,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 829 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 872 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:28:18,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 826 states. [2025-03-20 05:28:18,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2025-03-20 05:28:18,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-20 05:28:18,981 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:18,981 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:28:18,982 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:28:18,982 INFO L85 PathProgramCache]: Analyzing trace with hash -516665301, now seen corresponding path program 30 times [2025-03-20 05:28:18,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:28:18,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527882329] [2025-03-20 05:28:18,982 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:28:18,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:28:18,984 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:28:18,986 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:28:18,986 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-20 05:28:18,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:19,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-20 05:28:19,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527882329] [2025-03-20 05:28:19,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527882329] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-20 05:28:19,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378777508] [2025-03-20 05:28:19,141 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-20 05:28:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:28:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-20 05:28:19,143 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-20 05:28:19,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-20 05:28:19,166 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 23 statements into 2 equivalence classes. [2025-03-20 05:28:19,174 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-03-20 05:28:19,174 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-03-20 05:28:19,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-20 05:28:19,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-20 05:28:19,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-20 05:28:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:19,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-20 05:28:19,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-20 05:28:19,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378777508] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-20 05:28:19,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-20 05:28:19,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 36 [2025-03-20 05:28:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93145821] [2025-03-20 05:28:19,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-20 05:28:19,531 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-03-20 05:28:19,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-20 05:28:19,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-03-20 05:28:19,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1108, Unknown=0, NotChecked=0, Total=1332 [2025-03-20 05:28:19,532 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:28:19,532 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-20 05:28:19,532 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 36 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 546 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 829 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 872 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 570 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 668 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 826 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2025-03-20 05:28:19,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 381 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 559 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 840 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 881 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 580 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2025-03-20 05:29:30,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1351 states. [2025-03-20 05:29:30,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 631 states. [2025-03-20 05:29:30,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-03-20 05:29:30,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-20 05:29:30,346 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-20 05:29:30,346 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-20 05:29:30,346 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-20 05:29:30,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1147832381, now seen corresponding path program 31 times [2025-03-20 05:29:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-20 05:29:30,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810524848] [2025-03-20 05:29:30,347 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-20 05:29:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-20 05:29:30,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 358 statements into 1 equivalence classes. [2025-03-20 05:29:30,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 358 of 358 statements. [2025-03-20 05:29:30,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-20 05:29:30,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat