./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6f232940 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-more-array-sum2.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 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6f23294-m [2025-03-19 21:16:16,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-19 21:16:16,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-03-19 21:16:16,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-19 21:16:16,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-19 21:16:16,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-19 21:16:16,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-19 21:16:16,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-19 21:16:16,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-19 21:16:16,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-19 21:16:16,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-19 21:16:16,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-19 21:16:16,291 INFO L153 SettingsManager]: * Use SBE=true [2025-03-19 21:16:16,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-19 21:16:16,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-19 21:16:16,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-19 21:16:16,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 21:16:16,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-03-19 21:16:16,293 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-03-19 21:16:16,293 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 -> 6d47c8696b49948f6f8f53dd9eda6f4e0281717fd9a29e264a19ded5493fa577 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 -> SLEEP_NEW_STATES [2025-03-19 21:16:16,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-19 21:16:16,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-19 21:16:16,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-19 21:16:16,523 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-19 21:16:16,523 INFO L274 PluginConnector]: CDTParser initialized [2025-03-19 21:16:16,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-03-19 21:16:17,781 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d6c213e58/09a580e8fe754da4aa227f08035151d9/FLAG1d644a482 [2025-03-19 21:16:17,948 INFO L389 CDTParser]: Found 1 translation units. [2025-03-19 21:16:17,949 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2025-03-19 21:16:17,953 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d6c213e58/09a580e8fe754da4aa227f08035151d9/FLAG1d644a482 [2025-03-19 21:16:18,782 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d6c213e58/09a580e8fe754da4aa227f08035151d9 [2025-03-19 21:16:18,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-19 21:16:18,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-19 21:16:18,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-19 21:16:18,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-19 21:16:18,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-19 21:16:18,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:18,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23015a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18, skipping insertion in model container [2025-03-19 21:16:18,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:18,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-19 21:16:18,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2025-03-19 21:16:18,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 21:16:18,940 INFO L200 MainTranslator]: Completed pre-run [2025-03-19 21:16:18,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2638,2651] [2025-03-19 21:16:18,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-19 21:16:18,973 INFO L204 MainTranslator]: Completed translation [2025-03-19 21:16:18,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18 WrapperNode [2025-03-19 21:16:18,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-19 21:16:18,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-19 21:16:18,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-19 21:16:18,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-19 21:16:18,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:18,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,001 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 249 [2025-03-19 21:16:19,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-19 21:16:19,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-19 21:16:19,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-19 21:16:19,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-19 21:16:19,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-19 21:16:19,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-19 21:16:19,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-19 21:16:19,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-19 21:16:19,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (1/1) ... [2025-03-19 21:16:19,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-19 21:16:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:19,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-19 21:16:19,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-19 21:16:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-19 21:16:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-19 21:16:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-19 21:16:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-19 21:16:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-19 21:16:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-19 21:16:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-19 21:16:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-19 21:16:19,087 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-19 21:16:19,177 INFO L234 CfgBuilder]: Building ICFG [2025-03-19 21:16:19,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-19 21:16:19,493 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-19 21:16:19,494 INFO L283 CfgBuilder]: Performing block encoding [2025-03-19 21:16:19,735 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-19 21:16:19,736 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-19 21:16:19,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 09:16:19 BoogieIcfgContainer [2025-03-19 21:16:19,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-19 21:16:19,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-19 21:16:19,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-19 21:16:19,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-19 21:16:19,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.03 09:16:18" (1/3) ... [2025-03-19 21:16:19,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa9ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 09:16:19, skipping insertion in model container [2025-03-19 21:16:19,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.03 09:16:18" (2/3) ... [2025-03-19 21:16:19,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa9ba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.03 09:16:19, skipping insertion in model container [2025-03-19 21:16:19,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.03 09:16:19" (3/3) ... [2025-03-19 21:16:19,744 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2025-03-19 21:16:19,755 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-19 21:16:19,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum2.wvr.c that has 4 procedures, 31 locations, 32 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-03-19 21:16:19,757 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-19 21:16:19,807 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-19 21:16:19,838 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 21:16:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-03-19 21:16:19,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:19,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-03-19 21:16:19,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-03-19 21:16:19,896 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-03-19 21:16:19,901 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-03-19 21:16:19,906 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;@1b61d129, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-19 21:16:19,906 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-19 21:16:20,099 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:20,103 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:20,104 INFO L85 PathProgramCache]: Analyzing trace with hash 355337233, now seen corresponding path program 1 times [2025-03-19 21:16:20,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:20,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599612639] [2025-03-19 21:16:20,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:16:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:20,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-19 21:16:20,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-19 21:16:20,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:16:20,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-19 21:16:20,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:20,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599612639] [2025-03-19 21:16:20,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599612639] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 21:16:20,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 21:16:20,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-19 21:16:20,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794650216] [2025-03-19 21:16:20,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 21:16:20,552 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-19 21:16:20,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:20,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-19 21:16:20,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-19 21:16:20,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:20,579 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:20,580 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:20,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:20,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:20,687 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-19 21:16:20,688 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:20,688 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:20,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1648787319, now seen corresponding path program 1 times [2025-03-19 21:16:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:20,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538839542] [2025-03-19 21:16:20,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:16:20,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:20,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-19 21:16:20,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-19 21:16:20,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:16:20,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 21:16:20,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:20,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538839542] [2025-03-19 21:16:20,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538839542] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:20,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461148094] [2025-03-19 21:16:20,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-19 21:16:20,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:20,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:20,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:20,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-19 21:16:21,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-19 21:16:21,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-19 21:16:21,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:16:21,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:21,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-19 21:16:21,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 21:16:21,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-19 21:16:21,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461148094] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:21,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:21,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-03-19 21:16:21,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397595368] [2025-03-19 21:16:21,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:21,259 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-19 21:16:21,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:21,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-19 21:16:21,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2025-03-19 21:16:21,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:21,260 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:21,261 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:21,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:21,261 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:21,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:21,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:21,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-19 21:16:21,626 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 [2025-03-19 21:16:21,627 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:21,627 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:21,627 INFO L85 PathProgramCache]: Analyzing trace with hash 424994385, now seen corresponding path program 2 times [2025-03-19 21:16:21,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:21,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220290279] [2025-03-19 21:16:21,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:16:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:21,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-03-19 21:16:21,658 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 35 of 39 statements. [2025-03-19 21:16:21,658 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-19 21:16:21,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-19 21:16:21,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:21,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220290279] [2025-03-19 21:16:21,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220290279] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-19 21:16:21,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-19 21:16:21,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-19 21:16:21,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780248144] [2025-03-19 21:16:21,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-19 21:16:21,788 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-19 21:16:21,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:21,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-19 21:16:21,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-03-19 21:16:21,789 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:21,789 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:21,789 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:21,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:21,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:21,789 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:21,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:21,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:21,946 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:21,946 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-19 21:16:21,946 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:21,946 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:21,946 INFO L85 PathProgramCache]: Analyzing trace with hash -158258872, now seen corresponding path program 3 times [2025-03-19 21:16:21,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:21,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973929988] [2025-03-19 21:16:21,946 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:16:21,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:21,960 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 3 equivalence classes. [2025-03-19 21:16:22,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 45 of 45 statements. [2025-03-19 21:16:22,021 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-19 21:16:22,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 21:16:22,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:22,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973929988] [2025-03-19 21:16:22,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973929988] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:22,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174147875] [2025-03-19 21:16:22,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:16:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:22,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:22,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-19 21:16:22,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 3 equivalence classes. [2025-03-19 21:16:22,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 45 of 45 statements. [2025-03-19 21:16:22,327 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-19 21:16:22,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:22,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-19 21:16:22,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 21:16:22,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-19 21:16:22,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174147875] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:22,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:22,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23 [2025-03-19 21:16:22,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875903358] [2025-03-19 21:16:22,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:22,708 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-19 21:16:22,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:22,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-19 21:16:22,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2025-03-19 21:16:22,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:22,710 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:22,710 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:22,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:22,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:22,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:22,710 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:22,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:22,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:22,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:22,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:22,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:23,066 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:23,066 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:23,067 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash -30606456, now seen corresponding path program 4 times [2025-03-19 21:16:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:23,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16782631] [2025-03-19 21:16:23,067 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:16:23,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:23,080 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-03-19 21:16:23,086 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 49 statements. [2025-03-19 21:16:23,086 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:16:23,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:23,154 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-19 21:16:23,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:23,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16782631] [2025-03-19 21:16:23,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16782631] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:23,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39717687] [2025-03-19 21:16:23,155 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:16:23,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:23,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:23,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:23,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-19 21:16:23,221 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-03-19 21:16:23,234 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 32 of 49 statements. [2025-03-19 21:16:23,234 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:16:23,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:23,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-19 21:16:23,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-19 21:16:23,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-03-19 21:16:23,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39717687] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:23,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:23,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 23 [2025-03-19 21:16:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774685185] [2025-03-19 21:16:23,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:23,579 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-19 21:16:23,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:23,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-19 21:16:23,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2025-03-19 21:16:23,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:23,580 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:23,580 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.043478260869565) internal successors, (93), 23 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:23,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:23,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:23,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:23,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:23,580 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:24,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:24,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:24,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:24,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:24,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:24,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:24,793 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:24,794 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:24,794 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:24,794 INFO L85 PathProgramCache]: Analyzing trace with hash 650901843, now seen corresponding path program 5 times [2025-03-19 21:16:24,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:24,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160021131] [2025-03-19 21:16:24,794 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:16:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:24,808 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 79 statements into 5 equivalence classes. [2025-03-19 21:16:24,860 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 79 of 79 statements. [2025-03-19 21:16:24,861 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-03-19 21:16:24,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 21:16:25,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:25,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160021131] [2025-03-19 21:16:25,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160021131] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:25,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140596855] [2025-03-19 21:16:25,190 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:16:25,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:25,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:25,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:25,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-19 21:16:25,256 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 79 statements into 5 equivalence classes. [2025-03-19 21:16:25,438 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 79 of 79 statements. [2025-03-19 21:16:25,438 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-03-19 21:16:25,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:25,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-19 21:16:25,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 21:16:25,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 86 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-03-19 21:16:25,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140596855] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:25,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:25,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2025-03-19 21:16:25,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054563562] [2025-03-19 21:16:25,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:25,812 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-19 21:16:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:25,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-19 21:16:25,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2025-03-19 21:16:25,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:25,813 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:25,813 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.633333333333334) internal successors, (139), 29 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:25,813 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:25,947 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:25,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:25,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:25,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:25,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:25,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:25,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:26,148 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-19 21:16:26,149 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:26,149 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash -572863029, now seen corresponding path program 6 times [2025-03-19 21:16:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730327842] [2025-03-19 21:16:26,149 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:16:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:26,166 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 5 equivalence classes. [2025-03-19 21:16:26,271 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 21:16:26,271 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-19 21:16:26,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 74 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-19 21:16:26,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:26,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730327842] [2025-03-19 21:16:26,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730327842] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:26,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031203101] [2025-03-19 21:16:26,633 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:16:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:26,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:26,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-19 21:16:26,698 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 5 equivalence classes. [2025-03-19 21:16:26,765 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 81 of 81 statements. [2025-03-19 21:16:26,765 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-03-19 21:16:26,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:26,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-19 21:16:26,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 56 proven. 41 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-19 21:16:27,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-19 21:16:27,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031203101] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:27,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:27,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2025-03-19 21:16:27,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500046922] [2025-03-19 21:16:27,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:27,381 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-19 21:16:27,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:27,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-19 21:16:27,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1418, Unknown=0, NotChecked=0, Total=1722 [2025-03-19 21:16:27,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:27,382 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:27,382 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.142857142857143) internal successors, (174), 41 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:27,383 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:27,383 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:27,383 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:27,383 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:27,383 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:27,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:27,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-19 21:16:27,784 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:27,784 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:27,784 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:27,784 INFO L85 PathProgramCache]: Analyzing trace with hash -870450285, now seen corresponding path program 7 times [2025-03-19 21:16:27,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:27,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48886522] [2025-03-19 21:16:27,784 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:16:27,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:27,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-19 21:16:27,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-19 21:16:27,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:16:27,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 74 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-19 21:16:28,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:28,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48886522] [2025-03-19 21:16:28,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48886522] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:28,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798964272] [2025-03-19 21:16:28,177 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:16:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:28,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:28,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-19 21:16:28,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-19 21:16:28,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-19 21:16:28,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:16:28,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:28,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-19 21:16:28,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 66 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-19 21:16:28,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-03-19 21:16:29,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798964272] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:29,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:29,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 46 [2025-03-19 21:16:29,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779545721] [2025-03-19 21:16:29,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:29,035 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-03-19 21:16:29,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:29,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-03-19 21:16:29,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=1761, Unknown=0, NotChecked=0, Total=2162 [2025-03-19 21:16:29,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:29,037 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:29,037 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:29,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:29,416 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,SelfDestructingSolverStorable7 [2025-03-19 21:16:29,416 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:29,417 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:29,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1772628491, now seen corresponding path program 8 times [2025-03-19 21:16:29,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:29,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486950939] [2025-03-19 21:16:29,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:16:29,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:29,431 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes. [2025-03-19 21:16:29,449 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 85 of 85 statements. [2025-03-19 21:16:29,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:16:29,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 43 proven. 71 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-19 21:16:29,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:29,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486950939] [2025-03-19 21:16:29,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486950939] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14739725] [2025-03-19 21:16:29,939 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:16:29,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:29,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:29,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:29,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-19 21:16:30,008 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes. [2025-03-19 21:16:30,060 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 85 of 85 statements. [2025-03-19 21:16:30,060 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:16:30,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:30,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-19 21:16:30,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-19 21:16:30,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 85 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-03-19 21:16:30,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14739725] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:30,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:30,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 55 [2025-03-19 21:16:30,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252485735] [2025-03-19 21:16:30,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:30,895 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-03-19 21:16:30,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:30,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-03-19 21:16:30,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=2487, Unknown=0, NotChecked=0, Total=3080 [2025-03-19 21:16:30,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:30,896 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:30,897 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.1785714285714284) internal successors, (178), 55 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:30,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:31,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:31,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:31,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:31,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:31,272 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 [2025-03-19 21:16:31,272 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:31,272 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:31,272 INFO L85 PathProgramCache]: Analyzing trace with hash 91200979, now seen corresponding path program 9 times [2025-03-19 21:16:31,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:31,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392496497] [2025-03-19 21:16:31,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:16:31,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:31,287 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 87 statements into 5 equivalence classes. [2025-03-19 21:16:31,432 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 87 of 87 statements. [2025-03-19 21:16:31,432 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-19 21:16:31,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 30 proven. 55 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2025-03-19 21:16:31,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:31,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392496497] [2025-03-19 21:16:31,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392496497] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:31,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347182897] [2025-03-19 21:16:31,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:16:31,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:31,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:31,735 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:31,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-19 21:16:31,804 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 87 statements into 5 equivalence classes. [2025-03-19 21:16:31,952 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 87 of 87 statements. [2025-03-19 21:16:31,952 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-19 21:16:31,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:31,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-19 21:16:31,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 61 proven. 61 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-19 21:16:32,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:32,833 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 86 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-19 21:16:32,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347182897] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:32,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:32,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22, 22] total 56 [2025-03-19 21:16:32,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311317979] [2025-03-19 21:16:32,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:32,834 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-03-19 21:16:32,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:32,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-03-19 21:16:32,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=2561, Unknown=0, NotChecked=0, Total=3080 [2025-03-19 21:16:32,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:32,835 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:32,835 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.7857142857142856) internal successors, (212), 56 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:32,835 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:33,728 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:33,729 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-19 21:16:33,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:33,929 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 [2025-03-19 21:16:33,929 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:33,930 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:33,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1769499364, now seen corresponding path program 10 times [2025-03-19 21:16:33,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:33,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133584129] [2025-03-19 21:16:33,930 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:16:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:33,949 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-03-19 21:16:33,952 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 56 of 97 statements. [2025-03-19 21:16:33,952 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:16:33,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-03-19 21:16:34,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133584129] [2025-03-19 21:16:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133584129] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987785240] [2025-03-19 21:16:34,032 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:16:34,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:34,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:34,034 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:34,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-19 21:16:34,114 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-03-19 21:16:34,128 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 56 of 97 statements. [2025-03-19 21:16:34,128 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:16:34,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:34,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-19 21:16:34,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-03-19 21:16:34,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-03-19 21:16:34,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987785240] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:34,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:34,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 24, 17] total 42 [2025-03-19 21:16:34,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51831822] [2025-03-19 21:16:34,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:34,753 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-19 21:16:34,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:34,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-19 21:16:34,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1278, Unknown=0, NotChecked=0, Total=1722 [2025-03-19 21:16:34,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:34,754 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:34,754 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.5714285714285716) internal successors, (150), 42 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:34,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:34,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-03-19 21:16:34,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:16:36,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:16:36,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-19 21:16:36,504 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 [2025-03-19 21:16:36,505 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:36,505 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1631067858, now seen corresponding path program 11 times [2025-03-19 21:16:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104482064] [2025-03-19 21:16:36,505 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:16:36,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:36,522 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 139 statements into 10 equivalence classes. [2025-03-19 21:16:36,652 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 139 of 139 statements. [2025-03-19 21:16:36,653 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 21:16:36,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 336 proven. 115 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 21:16:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104482064] [2025-03-19 21:16:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104482064] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776750670] [2025-03-19 21:16:37,529 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:16:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:37,531 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:37,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-19 21:16:37,625 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 139 statements into 10 equivalence classes. [2025-03-19 21:16:54,664 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 139 of 139 statements. [2025-03-19 21:16:54,664 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-03-19 21:16:54,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:54,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-19 21:16:54,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 396 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 21:16:55,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 396 proven. 55 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-19 21:16:55,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776750670] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:55,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:55,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 24, 24] total 78 [2025-03-19 21:16:55,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401223928] [2025-03-19 21:16:55,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:55,811 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-03-19 21:16:55,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:55,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-03-19 21:16:55,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=5293, Unknown=0, NotChecked=0, Total=6162 [2025-03-19 21:16:55,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:55,816 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:55,816 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.30379746835443) internal successors, (340), 78 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:55,816 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:16:55,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:16:55,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:16:56,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:16:56,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-19 21:16:56,330 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 [2025-03-19 21:16:56,330 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:16:56,330 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:16:56,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1005417382, now seen corresponding path program 12 times [2025-03-19 21:16:56,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:16:56,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323902816] [2025-03-19 21:16:56,330 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:16:56,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:16:56,351 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 141 statements into 10 equivalence classes. [2025-03-19 21:16:56,753 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 141 of 141 statements. [2025-03-19 21:16:56,754 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 21:16:56,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:57,465 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 370 proven. 93 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-03-19 21:16:57,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:16:57,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323902816] [2025-03-19 21:16:57,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323902816] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:16:57,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608020861] [2025-03-19 21:16:57,465 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:16:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:16:57,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:16:57,468 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:16:57,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-19 21:16:57,572 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 141 statements into 10 equivalence classes. [2025-03-19 21:16:58,315 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 141 of 141 statements. [2025-03-19 21:16:58,315 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-03-19 21:16:58,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:16:58,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-19 21:16:58,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:16:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 396 proven. 66 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-03-19 21:16:59,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:16:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 396 proven. 66 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-03-19 21:16:59,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608020861] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:16:59,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:16:59,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 75 [2025-03-19 21:16:59,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962133233] [2025-03-19 21:16:59,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:16:59,625 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-03-19 21:16:59,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:16:59,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-03-19 21:16:59,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=4829, Unknown=0, NotChecked=0, Total=5700 [2025-03-19 21:16:59,627 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:59,628 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:16:59,628 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.7894736842105265) internal successors, (364), 75 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:16:59,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:16:59,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:16:59,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-19 21:17:00,038 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 [2025-03-19 21:17:00,039 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:17:00,039 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:17:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1762442386, now seen corresponding path program 13 times [2025-03-19 21:17:00,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:17:00,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40290413] [2025-03-19 21:17:00,039 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:17:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:17:00,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-19 21:17:00,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-19 21:17:00,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:17:00,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 370 proven. 105 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-03-19 21:17:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:17:00,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40290413] [2025-03-19 21:17:00,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40290413] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:17:00,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033589126] [2025-03-19 21:17:00,880 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:17:00,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:17:00,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:17:00,882 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:17:00,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-19 21:17:00,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-19 21:17:01,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-19 21:17:01,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:17:01,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:01,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-19 21:17:01,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:17:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 323 proven. 112 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-19 21:17:01,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:17:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 357 proven. 78 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-19 21:17:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033589126] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:17:02,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:17:02,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 82 [2025-03-19 21:17:02,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53689740] [2025-03-19 21:17:02,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:17:02,477 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2025-03-19 21:17:02,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:17:02,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2025-03-19 21:17:02,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1205, Invalid=5601, Unknown=0, NotChecked=0, Total=6806 [2025-03-19 21:17:02,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:02,479 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:17:02,479 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 3.5903614457831323) internal successors, (298), 82 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:02,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:02,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:02,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:02,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:02,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:02,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:02,662 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:02,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-19 21:17:02,862 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,SelfDestructingSolverStorable13 [2025-03-19 21:17:02,863 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:17:02,863 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:17:02,863 INFO L85 PathProgramCache]: Analyzing trace with hash -165105690, now seen corresponding path program 14 times [2025-03-19 21:17:02,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:17:02,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129550186] [2025-03-19 21:17:02,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:17:02,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:17:02,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 145 statements into 2 equivalence classes. [2025-03-19 21:17:02,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 145 of 145 statements. [2025-03-19 21:17:02,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:17:02,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 288 proven. 199 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-03-19 21:17:03,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:17:03,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129550186] [2025-03-19 21:17:03,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129550186] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:17:03,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089423501] [2025-03-19 21:17:03,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:17:03,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:17:03,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:17:03,880 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:17:03,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-19 21:17:03,975 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 145 statements into 2 equivalence classes. [2025-03-19 21:17:04,045 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 145 of 145 statements. [2025-03-19 21:17:04,045 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:17:04,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:04,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-03-19 21:17:04,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:17:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 348 proven. 109 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-03-19 21:17:04,864 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:17:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 366 proven. 91 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-03-19 21:17:05,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089423501] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:17:05,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:17:05,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31, 31] total 95 [2025-03-19 21:17:05,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012016114] [2025-03-19 21:17:05,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:17:05,787 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-19 21:17:05,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:17:05,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-19 21:17:05,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1731, Invalid=7389, Unknown=0, NotChecked=0, Total=9120 [2025-03-19 21:17:05,790 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:05,790 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:17:05,790 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.0833333333333335) internal successors, (296), 95 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:05,790 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:06,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:06,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:17:06,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-19 21:17:06,210 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,SelfDestructingSolverStorable14 [2025-03-19 21:17:06,211 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:17:06,211 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:17:06,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2078164398, now seen corresponding path program 15 times [2025-03-19 21:17:06,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:17:06,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838266814] [2025-03-19 21:17:06,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:17:06,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:17:06,228 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 147 statements into 10 equivalence classes. [2025-03-19 21:17:06,761 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 147 of 147 statements. [2025-03-19 21:17:06,761 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-03-19 21:17:06,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 288 proven. 213 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-03-19 21:17:07,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:17:07,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838266814] [2025-03-19 21:17:07,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838266814] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:17:07,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893128852] [2025-03-19 21:17:07,841 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:17:07,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:17:07,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:17:07,842 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:17:07,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-19 21:17:07,943 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 147 statements into 10 equivalence classes. [2025-03-19 21:17:09,104 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 147 of 147 statements. [2025-03-19 21:17:09,105 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-03-19 21:17:09,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:09,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-19 21:17:09,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:17:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 91 proven. 411 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-19 21:17:09,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:17:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 105 proven. 397 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-03-19 21:17:10,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893128852] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:17:10,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:17:10,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 30, 30] total 95 [2025-03-19 21:17:10,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749025337] [2025-03-19 21:17:10,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:17:10,599 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-19 21:17:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:17:10,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-19 21:17:10,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=7890, Unknown=0, NotChecked=0, Total=9120 [2025-03-19 21:17:10,602 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:10,602 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:17:10,602 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 4.010416666666667) internal successors, (385), 95 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:10,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:17:10,603 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:17:11,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:17:11,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-19 21:17:11,970 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,SelfDestructingSolverStorable15 [2025-03-19 21:17:11,970 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:17:11,971 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:17:11,972 INFO L85 PathProgramCache]: Analyzing trace with hash -743595657, now seen corresponding path program 16 times [2025-03-19 21:17:11,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:17:11,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15724450] [2025-03-19 21:17:11,972 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:17:11,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:17:11,990 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 194 statements into 2 equivalence classes. [2025-03-19 21:17:11,994 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 114 of 194 statements. [2025-03-19 21:17:11,994 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:17:11,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 793 proven. 138 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2025-03-19 21:17:12,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:17:12,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15724450] [2025-03-19 21:17:12,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15724450] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:17:12,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462963263] [2025-03-19 21:17:12,339 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:17:12,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:17:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:17:12,341 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:17:12,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-19 21:17:12,465 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 194 statements into 2 equivalence classes. [2025-03-19 21:17:12,481 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 114 of 194 statements. [2025-03-19 21:17:12,481 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:17:12,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:12,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-03-19 21:17:12,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:17:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 0 proven. 932 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2025-03-19 21:17:13,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:17:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 793 proven. 139 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2025-03-19 21:17:14,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462963263] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:17:14,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:17:14,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 53, 40] total 112 [2025-03-19 21:17:14,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100689967] [2025-03-19 21:17:14,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:17:14,667 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2025-03-19 21:17:14,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:17:14,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2025-03-19 21:17:14,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2854, Invalid=9578, Unknown=0, NotChecked=0, Total=12432 [2025-03-19 21:17:14,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:14,671 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:17:14,671 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.196428571428571) internal successors, (470), 112 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:17:14,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:17:19,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:17:19,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-19 21:17:20,167 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-19 21:17:20,167 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:17:20,167 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:17:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1360673722, now seen corresponding path program 17 times [2025-03-19 21:17:20,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:17:20,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427373221] [2025-03-19 21:17:20,167 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:17:20,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:17:20,191 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 251 statements into 20 equivalence classes. [2025-03-19 21:17:20,783 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 251 of 251 statements. [2025-03-19 21:17:20,783 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-03-19 21:17:20,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:17:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 1726 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2025-03-19 21:17:22,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:17:22,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427373221] [2025-03-19 21:17:22,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427373221] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:17:22,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288348375] [2025-03-19 21:17:22,497 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:17:22,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:17:22,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:17:22,498 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:17:22,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-19 21:17:22,637 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 251 statements into 20 equivalence classes. [2025-03-19 21:21:41,163 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 251 of 251 statements. [2025-03-19 21:21:41,163 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-03-19 21:21:41,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:21:41,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-03-19 21:21:41,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:21:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 1691 proven. 120 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-03-19 21:21:42,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:21:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 1691 proven. 120 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-03-19 21:21:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288348375] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:21:42,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:21:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 38, 38] total 103 [2025-03-19 21:21:42,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736091260] [2025-03-19 21:21:42,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:21:42,967 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-03-19 21:21:42,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:21:42,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-03-19 21:21:42,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=8089, Unknown=0, NotChecked=0, Total=10506 [2025-03-19 21:21:42,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:21:42,969 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:21:42,969 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.922330097087379) internal successors, (507), 103 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:21:42,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:21:42,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:21:42,970 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:21:43,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:21:43,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:21:43,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:21:43,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-19 21:21:43,396 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-19 21:21:43,397 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:21:43,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:21:43,397 INFO L85 PathProgramCache]: Analyzing trace with hash -112652658, now seen corresponding path program 18 times [2025-03-19 21:21:43,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:21:43,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480069223] [2025-03-19 21:21:43,397 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:21:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:21:43,422 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 261 statements into 20 equivalence classes. [2025-03-19 21:21:45,286 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 21:21:45,286 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-03-19 21:21:45,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:21:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1669 proven. 267 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-03-19 21:21:47,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:21:47,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480069223] [2025-03-19 21:21:47,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480069223] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:21:47,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596000271] [2025-03-19 21:21:47,259 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-19 21:21:47,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:21:47,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:21:47,262 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:21:47,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-19 21:21:47,412 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 261 statements into 20 equivalence classes. [2025-03-19 21:21:52,627 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 261 of 261 statements. [2025-03-19 21:21:52,627 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-03-19 21:21:52,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:21:52,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-03-19 21:21:52,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:21:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1691 proven. 210 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2025-03-19 21:21:54,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:21:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1691 proven. 210 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2025-03-19 21:21:55,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596000271] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:21:55,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:21:55,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 44, 44] total 114 [2025-03-19 21:21:55,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840180580] [2025-03-19 21:21:55,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:21:55,181 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-03-19 21:21:55,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:21:55,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-03-19 21:21:55,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2849, Invalid=10261, Unknown=0, NotChecked=0, Total=13110 [2025-03-19 21:21:55,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:21:55,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:21:55,184 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.260869565217392) internal successors, (490), 114 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:21:55,184 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:21:55,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:21:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:21:55,486 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:21:55,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-19 21:21:55,686 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:21:55,686 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:21:55,687 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:21:55,687 INFO L85 PathProgramCache]: Analyzing trace with hash -86374138, now seen corresponding path program 19 times [2025-03-19 21:21:55,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:21:55,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49666922] [2025-03-19 21:21:55,687 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:21:55,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:21:55,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 263 statements into 1 equivalence classes. [2025-03-19 21:21:55,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 263 of 263 statements. [2025-03-19 21:21:55,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:21:55,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1431 proven. 526 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2025-03-19 21:22:00,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:22:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49666922] [2025-03-19 21:22:00,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49666922] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:22:00,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342223207] [2025-03-19 21:22:00,274 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-19 21:22:00,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:22:00,276 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:22:00,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-19 21:22:00,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 263 statements into 1 equivalence classes. [2025-03-19 21:22:00,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 263 of 263 statements. [2025-03-19 21:22:00,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-19 21:22:00,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:00,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-03-19 21:22:00,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:22:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1328 proven. 261 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2025-03-19 21:22:02,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:22:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 1358 proven. 231 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2025-03-19 21:22:05,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342223207] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:22:05,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:22:05,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 47, 47] total 183 [2025-03-19 21:22:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455825001] [2025-03-19 21:22:05,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:22:05,280 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2025-03-19 21:22:05,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:22:05,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2025-03-19 21:22:05,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4660, Invalid=29012, Unknown=0, NotChecked=0, Total=33672 [2025-03-19 21:22:05,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:05,285 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:22:05,285 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 2.744565217391304) internal successors, (505), 183 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:05,285 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:05,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:05,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:05,659 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:05,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-19 21:22:05,859 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:05,859 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:22:05,860 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:22:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1416830770, now seen corresponding path program 20 times [2025-03-19 21:22:05,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:22:05,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948504297] [2025-03-19 21:22:05,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:22:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:22:05,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 265 statements into 2 equivalence classes. [2025-03-19 21:22:05,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 265 of 265 statements. [2025-03-19 21:22:05,927 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:22:05,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 1431 proven. 548 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2025-03-19 21:22:10,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:22:10,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948504297] [2025-03-19 21:22:10,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948504297] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:22:10,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787484146] [2025-03-19 21:22:10,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-19 21:22:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:22:10,585 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:22:10,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-19 21:22:10,757 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 265 statements into 2 equivalence classes. [2025-03-19 21:22:10,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 265 of 265 statements. [2025-03-19 21:22:10,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-19 21:22:10,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:10,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-03-19 21:22:10,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:22:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 1343 proven. 317 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2025-03-19 21:22:13,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:22:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2232 backedges. 1407 proven. 253 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2025-03-19 21:22:16,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787484146] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:22:16,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:22:16,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 49, 49] total 188 [2025-03-19 21:22:16,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988714308] [2025-03-19 21:22:16,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:22:16,062 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2025-03-19 21:22:16,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:22:16,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2025-03-19 21:22:16,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4899, Invalid=30633, Unknown=0, NotChecked=0, Total=35532 [2025-03-19 21:22:16,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:16,065 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:22:16,065 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 2.751322751322751) internal successors, (520), 188 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:22:16,065 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:16,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:16,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:16,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-19 21:22:16,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-03-19 21:22:16,697 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,SelfDestructingSolverStorable20 [2025-03-19 21:22:16,697 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:22:16,697 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:22:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 440776006, now seen corresponding path program 21 times [2025-03-19 21:22:16,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:22:16,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115471229] [2025-03-19 21:22:16,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:22:16,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:22:16,723 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 267 statements into 20 equivalence classes. [2025-03-19 21:22:21,018 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 267 of 267 statements. [2025-03-19 21:22:21,018 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-03-19 21:22:21,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 1669 proven. 333 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-03-19 21:22:22,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:22:22,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115471229] [2025-03-19 21:22:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115471229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:22:22,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389126030] [2025-03-19 21:22:22,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-19 21:22:22,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:22,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:22:22,993 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-19 21:22:22,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-19 21:22:23,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 267 statements into 20 equivalence classes. [2025-03-19 21:22:54,813 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 267 of 267 statements. [2025-03-19 21:22:54,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-03-19 21:22:54,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:54,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-03-19 21:22:54,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:22:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 1273 proven. 694 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2025-03-19 21:22:56,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:22:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 1691 proven. 276 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2025-03-19 21:22:58,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389126030] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:22:58,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:22:58,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 51, 51] total 152 [2025-03-19 21:22:58,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435694548] [2025-03-19 21:22:58,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:22:58,180 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2025-03-19 21:22:58,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:22:58,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2025-03-19 21:22:58,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3358, Invalid=19594, Unknown=0, NotChecked=0, Total=22952 [2025-03-19 21:22:58,184 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:58,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:22:58,185 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 4.453947368421052) internal successors, (677), 152 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-03-19 21:22:58,185 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:22:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-19 21:22:58,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:22:58,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-19 21:22:58,692 WARN L461 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:58,693 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:22:58,693 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:22:58,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1973923058, now seen corresponding path program 22 times [2025-03-19 21:22:58,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:22:58,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727089611] [2025-03-19 21:22:58,693 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:22:58,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:22:58,722 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-03-19 21:22:58,728 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 152 of 269 statements. [2025-03-19 21:22:58,728 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:22:58,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 1503 proven. 222 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2025-03-19 21:22:59,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:22:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727089611] [2025-03-19 21:22:59,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727089611] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:22:59,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659817201] [2025-03-19 21:22:59,286 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-19 21:22:59,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:22:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:22:59,288 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) [2025-03-19 21:22:59,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-19 21:22:59,466 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-03-19 21:22:59,486 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 152 of 269 statements. [2025-03-19 21:22:59,486 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-03-19 21:22:59,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:22:59,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-03-19 21:22:59,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-19 21:23:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 0 proven. 1726 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2025-03-19 21:23:01,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-19 21:23:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 1503 proven. 223 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2025-03-19 21:23:03,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659817201] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-19 21:23:03,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-19 21:23:03,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 72, 54] total 154 [2025-03-19 21:23:03,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817845165] [2025-03-19 21:23:03,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-19 21:23:03,032 INFO L557 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2025-03-19 21:23:03,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-19 21:23:03,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2025-03-19 21:23:03,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4964, Invalid=18598, Unknown=0, NotChecked=0, Total=23562 [2025-03-19 21:23:03,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:23:03,034 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-03-19 21:23:03,035 INFO L481 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 4.162337662337662) internal successors, (641), 154 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:23:03,035 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-19 21:23:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-19 21:23:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2025-03-19 21:23:12,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-19 21:23:12,558 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,SelfDestructingSolverStorable22 [2025-03-19 21:23:12,558 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-19 21:23:12,559 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-03-19 21:23:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1546459441, now seen corresponding path program 23 times [2025-03-19 21:23:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-19 21:23:12,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811667357] [2025-03-19 21:23:12,559 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:23:12,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-19 21:23:12,593 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 374 statements into 29 equivalence classes. [2025-03-19 21:23:14,230 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) and asserted 374 of 374 statements. [2025-03-19 21:23:14,230 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2025-03-19 21:23:14,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-19 21:23:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4473 backedges. 3873 proven. 300 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2025-03-19 21:23:17,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-19 21:23:17,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811667357] [2025-03-19 21:23:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811667357] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-19 21:23:17,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863095616] [2025-03-19 21:23:17,898 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-19 21:23:17,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-19 21:23:17,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-03-19 21:23:17,901 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) [2025-03-19 21:23:17,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-19 21:23:18,102 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 374 statements into 29 equivalence classes. Killed by 15