./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-figure3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 163a010c Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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-figure3.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 0d53ec9655ee282673b712b4a154821b0baa87dd23720a53d10f4e3f8ec015d6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.atomic-types2-163a010-m [2024-10-31 11:39:21,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 11:39:21,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-31 11:39:21,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 11:39:21,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 11:39:21,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 11:39:21,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 11:39:21,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 11:39:21,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 11:39:21,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 11:39:21,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 11:39:21,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 11:39:21,258 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 11:39:21,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 11:39:21,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 11:39:21,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 11:39:21,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 11:39:21,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 11:39:21,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 11:39:21,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 11:39:21,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 11:39:21,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 11:39:21,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 11:39:21,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 11:39:21,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 11:39:21,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 11:39:21,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 11:39:21,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 11:39:21,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 11:39:21,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 11:39:21,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-31 11:39:21,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 11:39:21,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 11:39:21,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 11:39:21,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 11:39:21,265 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-31 11:39:21,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 11:39:21,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 11:39:21,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-31 11:39:21,266 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-31 11:39:21,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-31 11:39:21,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d53ec9655ee282673b712b4a154821b0baa87dd23720a53d10f4e3f8ec015d6 [2024-10-31 11:39:21,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 11:39:21,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 11:39:21,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 11:39:21,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 11:39:21,559 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 11:39:21,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2024-10-31 11:39:22,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 11:39:23,053 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 11:39:23,053 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2024-10-31 11:39:23,060 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af2c895a0/e0f2998920bd49659da3130c23615557/FLAG3e233c3c8 [2024-10-31 11:39:23,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/af2c895a0/e0f2998920bd49659da3130c23615557 [2024-10-31 11:39:23,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 11:39:23,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 11:39:23,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 11:39:23,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 11:39:23,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 11:39:23,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af8936a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23, skipping insertion in model container [2024-10-31 11:39:23,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 11:39:23,292 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-figure3.wvr.c[1946,1959] [2024-10-31 11:39:23,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 11:39:23,301 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 11:39:23,315 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-figure3.wvr.c[1946,1959] [2024-10-31 11:39:23,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 11:39:23,331 INFO L204 MainTranslator]: Completed translation [2024-10-31 11:39:23,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23 WrapperNode [2024-10-31 11:39:23,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 11:39:23,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 11:39:23,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 11:39:23,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 11:39:23,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,360 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-10-31 11:39:23,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 11:39:23,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 11:39:23,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 11:39:23,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 11:39:23,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 11:39:23,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 11:39:23,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 11:39:23,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 11:39:23,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (1/1) ... [2024-10-31 11:39:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-31 11:39:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:39:23,437 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) [2024-10-31 11:39:23,442 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 [2024-10-31 11:39:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 11:39:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 11:39:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 11:39:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 11:39:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 11:39:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 11:39:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 11:39:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 11:39:23,488 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 11:39:23,558 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 11:39:23,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 11:39:23,697 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 11:39:23,697 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 11:39:23,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 11:39:23,807 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 11:39:23,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 11:39:23 BoogieIcfgContainer [2024-10-31 11:39:23,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 11:39:23,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 11:39:23,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 11:39:23,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 11:39:23,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 11:39:23" (1/3) ... [2024-10-31 11:39:23,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556633bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 11:39:23, skipping insertion in model container [2024-10-31 11:39:23,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 11:39:23" (2/3) ... [2024-10-31 11:39:23,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556633bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 11:39:23, skipping insertion in model container [2024-10-31 11:39:23,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 11:39:23" (3/3) ... [2024-10-31 11:39:23,821 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-10-31 11:39:23,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 11:39:23,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 11:39:23,837 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 11:39:23,887 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 11:39:23,932 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 11:39:23,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-31 11:39:23,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:39:23,933 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) [2024-10-31 11:39:23,935 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 [2024-10-31 11:39:23,964 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-31 11:39:23,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-31 11:39:23,982 INFO L333 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;@4dfc5d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 11:39:23,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-31 11:39:24,344 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:39:24,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:39:24,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1171599689, now seen corresponding path program 1 times [2024-10-31 11:39:24,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:39:24,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791541705] [2024-10-31 11:39:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:39:24,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:39:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:39:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:24,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:39:24,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791541705] [2024-10-31 11:39:24,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791541705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 11:39:24,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 11:39:24,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 11:39:24,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107652443] [2024-10-31 11:39:24,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 11:39:24,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 11:39:24,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:39:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 11:39:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 11:39:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:24,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:39:24,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-10-31 11:39:24,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:24,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 11:39:24,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:39:24,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:39:24,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1879865924, now seen corresponding path program 1 times [2024-10-31 11:39:24,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:39:24,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554704512] [2024-10-31 11:39:24,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:39:24,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:39:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:39:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:25,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:39:25,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554704512] [2024-10-31 11:39:25,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554704512] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:39:25,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352110494] [2024-10-31 11:39:25,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:39:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:39:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:39:25,283 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) [2024-10-31 11:39:25,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 11:39:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:39:25,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 11:39:25,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:39:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:25,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:39:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:25,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352110494] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:39:25,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:39:25,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-10-31 11:39:25,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881477084] [2024-10-31 11:39:25,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:39:25,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-31 11:39:25,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:39:25,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 11:39:25,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-31 11:39:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:25,638 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:39:25,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:39:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:26,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-31 11:39:26,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 11:39:26,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-31 11:39:26,374 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:39:26,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:39:26,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1990060286, now seen corresponding path program 2 times [2024-10-31 11:39:26,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:39:26,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661285052] [2024-10-31 11:39:26,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:39:26,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:39:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:39:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 11:39:26,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:39:26,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661285052] [2024-10-31 11:39:26,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661285052] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:39:26,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706698798] [2024-10-31 11:39:26,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 11:39:26,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:39:26,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:39:26,552 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) [2024-10-31 11:39:26,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 11:39:26,618 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 11:39:26,618 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 11:39:26,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 11:39:26,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:39:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-31 11:39:26,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:39:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-31 11:39:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706698798] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:39:26,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:39:26,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2024-10-31 11:39:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825531302] [2024-10-31 11:39:26,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:39:26,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 11:39:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:39:26,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 11:39:26,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 11:39:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:26,748 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:39:26,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-10-31 11:39:26,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:26,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-31 11:39:26,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:26,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:39:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:39:26,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 11:39:27,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:39:27,152 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:39:27,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:39:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1938948315, now seen corresponding path program 3 times [2024-10-31 11:39:27,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:39:27,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686597355] [2024-10-31 11:39:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:39:27,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:39:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:39:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 48 proven. 50 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-31 11:39:27,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:39:27,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686597355] [2024-10-31 11:39:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686597355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:39:27,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063117258] [2024-10-31 11:39:27,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 11:39:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:39:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:39:27,448 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) [2024-10-31 11:39:27,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 11:39:27,551 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-10-31 11:39:27,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 11:39:27,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-31 11:39:27,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:39:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:27,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:39:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:39:28,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063117258] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:39:28,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:39:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-10-31 11:39:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411529396] [2024-10-31 11:39:28,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:39:28,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-31 11:39:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:39:28,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-31 11:39:28,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2024-10-31 11:39:28,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:28,635 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:39:28,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5555555555555554) internal successors, (128), 36 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 11:39:28,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:39:28,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:39:28,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:39:28,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:39:36,482 WARN L286 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 40 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:39:45,427 WARN L286 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 43 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:39:55,682 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 43 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:39:57,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:39:59,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:40:10,308 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:40:12,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:40:24,881 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:40:26,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:40:37,244 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:40:39,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:40:52,110 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:41:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:41:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:41:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:41:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-31 11:41:45,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 11:41:45,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:41:45,747 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:41:45,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:41:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash 283653385, now seen corresponding path program 4 times [2024-10-31 11:41:45,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:41:45,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459855507] [2024-10-31 11:41:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:41:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:41:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:41:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-31 11:41:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:41:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459855507] [2024-10-31 11:41:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459855507] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:41:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276321043] [2024-10-31 11:41:46,224 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 11:41:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:41:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:41:46,226 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) [2024-10-31 11:41:46,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 11:41:46,292 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 11:41:46,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 11:41:46,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-31 11:41:46,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:41:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:41:46,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:41:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 11:41:47,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276321043] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:41:47,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:41:47,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 21] total 45 [2024-10-31 11:41:47,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725009991] [2024-10-31 11:41:47,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:41:47,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-31 11:41:47,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:41:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-31 11:41:47,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1676, Unknown=0, NotChecked=0, Total=1980 [2024-10-31 11:41:47,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:41:47,290 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:41:47,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.088888888888889) internal successors, (139), 45 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) [2024-10-31 11:41:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:41:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:41:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:41:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-10-31 11:41:47,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:42:12,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:42:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:42:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:42:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:42:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:42:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:42:20,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 11:42:20,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:42:20,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:42:20,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:42:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash -300361290, now seen corresponding path program 5 times [2024-10-31 11:42:20,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:42:20,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918342911] [2024-10-31 11:42:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:42:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:42:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:42:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 16 proven. 449 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-31 11:42:20,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:42:20,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918342911] [2024-10-31 11:42:20,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918342911] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:42:20,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717544584] [2024-10-31 11:42:20,908 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-31 11:42:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:42:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:42:20,913 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) [2024-10-31 11:42:20,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 11:42:21,219 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-10-31 11:42:21,219 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 11:42:21,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-10-31 11:42:21,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:42:21,946 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 16 proven. 605 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 11:42:21,947 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:42:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 16 proven. 605 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 11:42:23,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717544584] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:42:23,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:42:23,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 31] total 65 [2024-10-31 11:42:23,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716805107] [2024-10-31 11:42:23,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:42:23,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-31 11:42:23,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:42:23,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-31 11:42:23,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=624, Invalid=3536, Unknown=0, NotChecked=0, Total=4160 [2024-10-31 11:42:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:42:23,113 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:42:23,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.276923076923077) internal successors, (213), 65 states have internal predecessors, (213), 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) [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:42:23,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:42:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:42:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:42:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:42:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:42:28,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:42:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-31 11:42:28,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-31 11:42:28,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:42:28,897 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:42:28,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:42:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash 494216397, now seen corresponding path program 6 times [2024-10-31 11:42:28,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:42:28,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074745496] [2024-10-31 11:42:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:42:28,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:42:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:42:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 84 proven. 1107 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 11:42:31,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:42:31,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074745496] [2024-10-31 11:42:31,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074745496] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:42:31,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734670570] [2024-10-31 11:42:31,032 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-31 11:42:31,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:42:31,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:42:31,033 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) [2024-10-31 11:42:31,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 11:42:31,416 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-10-31 11:42:31,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 11:42:31,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-10-31 11:42:31,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:42:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 84 proven. 1105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 11:42:32,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:42:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 84 proven. 1105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 11:42:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734670570] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:42:35,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:42:35,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 41, 41] total 87 [2024-10-31 11:42:35,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931142575] [2024-10-31 11:42:35,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:42:35,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-10-31 11:42:35,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:42:35,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-10-31 11:42:35,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1069, Invalid=6413, Unknown=0, NotChecked=0, Total=7482 [2024-10-31 11:42:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:42:35,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:42:35,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 3.1149425287356323) internal successors, (271), 87 states have internal predecessors, (271), 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) [2024-10-31 11:42:35,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:42:35,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:42:35,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:42:35,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:42:35,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:42:35,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-31 11:42:35,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:43:04,229 WARN L286 SmtUtils]: Spent 21.31s on a formula simplification. DAG size of input: 83 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:43:29,839 WARN L286 SmtUtils]: Spent 21.24s on a formula simplification. DAG size of input: 87 DAG size of output: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:43:31,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:33,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:34,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:36,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:38,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:40,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:41,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:43,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:43:45,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:44:07,176 WARN L286 SmtUtils]: Spent 17.69s on a formula simplification. DAG size of input: 88 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:44:29,450 WARN L286 SmtUtils]: Spent 17.87s on a formula simplification. DAG size of input: 92 DAG size of output: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:44:32,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:45:16,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-10-31 11:45:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-10-31 11:45:16,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-31 11:45:16,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-31 11:45:16,265 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-31 11:45:16,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 11:45:16,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1543044105, now seen corresponding path program 7 times [2024-10-31 11:45:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 11:45:16,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85610600] [2024-10-31 11:45:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 11:45:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 11:45:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:45:20,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 132 proven. 2919 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 11:45:20,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 11:45:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85610600] [2024-10-31 11:45:20,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85610600] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 11:45:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484029941] [2024-10-31 11:45:20,514 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-31 11:45:20,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 11:45:20,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-31 11:45:20,515 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) [2024-10-31 11:45:20,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 11:45:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 11:45:20,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-10-31 11:45:20,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 11:45:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 132 proven. 2917 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 11:45:21,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 11:45:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3052 backedges. 132 proven. 2917 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-31 11:45:29,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484029941] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 11:45:29,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 11:45:29,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 65, 65] total 135 [2024-10-31 11:45:29,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746733920] [2024-10-31 11:45:29,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 11:45:29,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2024-10-31 11:45:29,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 11:45:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2024-10-31 11:45:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2785, Invalid=15305, Unknown=0, NotChecked=0, Total=18090 [2024-10-31 11:45:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:45:29,683 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-31 11:45:29,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 3.074074074074074) internal successors, (415), 135 states have internal predecessors, (415), 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) [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-10-31 11:45:29,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-31 11:48:12,693 WARN L286 SmtUtils]: Spent 1.29m on a formula simplification. DAG size of input: 167 DAG size of output: 143 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:50:41,442 WARN L286 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 171 DAG size of output: 149 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:50:43,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:45,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:47,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:49,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:51,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:53,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:55,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:50:57,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:00,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:02,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:04,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:06,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:08,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:10,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:12,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:14,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:16,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:18,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:20,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:22,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:51:24,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:52:58,066 WARN L286 SmtUtils]: Spent 45.57s on a formula simplification. DAG size of input: 169 DAG size of output: 145 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-10-31 11:52:59,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:01,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:02,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:05,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:07,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:09,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:12,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:14,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 11:53:15,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15