/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 20:17:59,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 20:17:59,529 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-30 20:17:59,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 20:17:59,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 20:17:59,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 20:17:59,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 20:17:59,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 20:17:59,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 20:17:59,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 20:17:59,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 20:17:59,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 20:17:59,567 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 20:17:59,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 20:17:59,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 20:17:59,568 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 20:17:59,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 20:17:59,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 20:17:59,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 20:17:59,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 20:17:59,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 20:17:59,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 20:17:59,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 20:17:59,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 20:17:59,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 20:17:59,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 20:17:59,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 20:17:59,571 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 20:17:59,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 20:17:59,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:17:59,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 20:17:59,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 20:17:59,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 20:17:59,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 20:17:59,599 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-30 20:17:59,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-30 20:17:59,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 20:17:59,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 20:17:59,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 20:17:59,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 20:17:59,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 20:17:59,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 20:17:59,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 20:17:59,858 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 20:17:59,859 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 20:17:59,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-05-30 20:18:00,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 20:18:01,002 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 20:18:01,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c [2024-05-30 20:18:01,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8621ccbfd/8e867f4b1f22459c892a2749218484bd/FLAG4d2dc5949 [2024-05-30 20:18:01,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8621ccbfd/8e867f4b1f22459c892a2749218484bd [2024-05-30 20:18:01,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 20:18:01,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 20:18:01,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 20:18:01,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 20:18:01,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 20:18:01,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76351ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01, skipping insertion in model container [2024-05-30 20:18:01,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 20:18:01,194 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c[2823,2836] [2024-05-30 20:18:01,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:18:01,208 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 20:18:01,224 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-max.wvr.c[2823,2836] [2024-05-30 20:18:01,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 20:18:01,237 INFO L206 MainTranslator]: Completed translation [2024-05-30 20:18:01,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01 WrapperNode [2024-05-30 20:18:01,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 20:18:01,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 20:18:01,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 20:18:01,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 20:18:01,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,273 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 239 [2024-05-30 20:18:01,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 20:18:01,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 20:18:01,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 20:18:01,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 20:18:01,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 20:18:01,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 20:18:01,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 20:18:01,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 20:18:01,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (1/1) ... [2024-05-30 20:18:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 20:18:01,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:01,349 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) [2024-05-30 20:18:01,358 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 [2024-05-30 20:18:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 20:18:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 20:18:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 20:18:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 20:18:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 20:18:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 20:18:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 20:18:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 20:18:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 20:18:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 20:18:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 20:18:01,390 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 20:18:01,468 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 20:18:01,470 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 20:18:01,841 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 20:18:01,990 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 20:18:01,991 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-30 20:18:01,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:18:01 BoogieIcfgContainer [2024-05-30 20:18:01,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 20:18:02,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 20:18:02,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 20:18:02,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 20:18:02,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 08:18:01" (1/3) ... [2024-05-30 20:18:02,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd7de97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:18:02, skipping insertion in model container [2024-05-30 20:18:02,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 08:18:01" (2/3) ... [2024-05-30 20:18:02,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd7de97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 08:18:02, skipping insertion in model container [2024-05-30 20:18:02,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 08:18:01" (3/3) ... [2024-05-30 20:18:02,007 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-05-30 20:18:02,015 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 20:18:02,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 20:18:02,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 20:18:02,023 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 20:18:02,102 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 20:18:02,157 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:18:02,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 20:18:02,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:02,158 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) [2024-05-30 20:18:02,162 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 [2024-05-30 20:18:02,220 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 20:18:02,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 20:18:02,231 INFO L357 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, mHoare=true, 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;@3b7994da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 20:18:02,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 20:18:02,492 INFO L78 Accepts]: Start accepts. Automaton has currently 1974 states, but on-demand construction may add more states Word has length 315 [2024-05-30 20:18:02,495 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:02,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:02,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:02,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1789449882, now seen corresponding path program 1 times [2024-05-30 20:18:02,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:02,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274328150] [2024-05-30 20:18:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-05-30 20:18:02,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:02,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274328150] [2024-05-30 20:18:02,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274328150] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:18:02,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:18:02,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 20:18:02,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445869181] [2024-05-30 20:18:02,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:18:02,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 20:18:02,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 20:18:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 20:18:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:02,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:02,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.0) internal successors, (260), 2 states have internal predecessors, (260), 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) [2024-05-30 20:18:02,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,018 INFO L78 Accepts]: Start accepts. Automaton has currently 1974 states, but on-demand construction may add more states Word has length 303 [2024-05-30 20:18:03,020 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:03,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 20:18:03,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:03,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:03,022 INFO L85 PathProgramCache]: Analyzing trace with hash -877304756, now seen corresponding path program 1 times [2024-05-30 20:18:03,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:03,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663930930] [2024-05-30 20:18:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-05-30 20:18:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:03,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663930930] [2024-05-30 20:18:03,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663930930] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 20:18:03,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 20:18:03,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 20:18:03,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091281204] [2024-05-30 20:18:03,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 20:18:03,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 20:18:03,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:03,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 20:18:03,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-30 20:18:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:03,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 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) [2024-05-30 20:18:03,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:03,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:03,862 INFO L78 Accepts]: Start accepts. Automaton has currently 1998 states, but on-demand construction may add more states Word has length 327 [2024-05-30 20:18:03,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:03,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 20:18:03,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:03,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:03,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2097850027, now seen corresponding path program 1 times [2024-05-30 20:18:03,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:03,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684513395] [2024-05-30 20:18:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-30 20:18:04,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684513395] [2024-05-30 20:18:04,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684513395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339304379] [2024-05-30 20:18:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:04,274 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) [2024-05-30 20:18:04,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 20:18:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:04,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-30 20:18:04,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-30 20:18:04,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-30 20:18:05,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339304379] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:05,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:05,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-30 20:18:05,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437468621] [2024-05-30 20:18:05,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:05,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 20:18:05,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:05,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 20:18:05,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-05-30 20:18:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:05,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:05,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.63157894736842) internal successors, (316), 19 states have internal predecessors, (316), 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) [2024-05-30 20:18:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:05,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:05,398 INFO L78 Accepts]: Start accepts. Automaton has currently 2025 states, but on-demand construction may add more states Word has length 351 [2024-05-30 20:18:05,400 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:05,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:05,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 20:18:05,605 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:05,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash 530165086, now seen corresponding path program 2 times [2024-05-30 20:18:05,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:05,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837632996] [2024-05-30 20:18:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-30 20:18:05,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:05,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837632996] [2024-05-30 20:18:05,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837632996] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:05,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615264223] [2024-05-30 20:18:05,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:18:05,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:05,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:05,998 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) [2024-05-30 20:18:06,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 20:18:06,168 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:18:06,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:06,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 20:18:06,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:06,559 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 72 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-05-30 20:18:06,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 26 proven. 56 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-05-30 20:18:06,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615264223] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:06,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:06,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2024-05-30 20:18:06,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796200484] [2024-05-30 20:18:06,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:06,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-30 20:18:06,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:06,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-30 20:18:06,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=760, Unknown=0, NotChecked=0, Total=930 [2024-05-30 20:18:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:06,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:06,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.612903225806452) internal successors, (453), 31 states have internal predecessors, (453), 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) [2024-05-30 20:18:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:06,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:07,499 INFO L78 Accepts]: Start accepts. Automaton has currently 2052 states, but on-demand construction may add more states Word has length 375 [2024-05-30 20:18:07,501 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:07,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:07,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:07,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:07,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:07,708 INFO L85 PathProgramCache]: Analyzing trace with hash -692232089, now seen corresponding path program 3 times [2024-05-30 20:18:07,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:07,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498809886] [2024-05-30 20:18:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:07,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 47 proven. 70 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-05-30 20:18:08,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498809886] [2024-05-30 20:18:08,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498809886] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988122566] [2024-05-30 20:18:08,238 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:18:08,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:08,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:08,239 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) [2024-05-30 20:18:08,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 20:18:08,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-30 20:18:08,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:08,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-30 20:18:08,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-30 20:18:08,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-05-30 20:18:08,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988122566] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:08,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:08,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 10] total 28 [2024-05-30 20:18:08,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346846124] [2024-05-30 20:18:08,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:08,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-30 20:18:08,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-30 20:18:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=682, Unknown=0, NotChecked=0, Total=756 [2024-05-30 20:18:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:08,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:08,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 21.071428571428573) internal successors, (590), 28 states have internal predecessors, (590), 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) [2024-05-30 20:18:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:10,651 INFO L78 Accepts]: Start accepts. Automaton has currently 3338 states, but on-demand construction may add more states Word has length 407 [2024-05-30 20:18:10,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:10,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 20:18:10,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:10,859 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:10,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:10,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1783544052, now seen corresponding path program 4 times [2024-05-30 20:18:10,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:10,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426369792] [2024-05-30 20:18:10,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:10,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 51 proven. 95 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-05-30 20:18:11,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:11,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426369792] [2024-05-30 20:18:11,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426369792] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:11,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031616245] [2024-05-30 20:18:11,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 20:18:11,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:11,561 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) [2024-05-30 20:18:11,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 20:18:11,737 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 20:18:11,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:11,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-30 20:18:11,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 94 proven. 52 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-05-30 20:18:12,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 73 proven. 73 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-05-30 20:18:12,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031616245] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:12,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:12,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2024-05-30 20:18:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867356422] [2024-05-30 20:18:12,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:12,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-30 20:18:12,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-30 20:18:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2042, Unknown=0, NotChecked=0, Total=2450 [2024-05-30 20:18:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:12,890 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:12,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 10.38) internal successors, (519), 50 states have internal predecessors, (519), 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) [2024-05-30 20:18:12,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:12,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:12,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:12,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:12,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:12,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:13,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:13,654 INFO L78 Accepts]: Start accepts. Automaton has currently 3365 states, but on-demand construction may add more states Word has length 431 [2024-05-30 20:18:13,656 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:13,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:13,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 20:18:13,862 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:13,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:13,863 INFO L85 PathProgramCache]: Analyzing trace with hash 898342677, now seen corresponding path program 5 times [2024-05-30 20:18:13,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:13,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626859556] [2024-05-30 20:18:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:13,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 60 proven. 115 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-05-30 20:18:14,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:14,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626859556] [2024-05-30 20:18:14,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626859556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:14,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714473004] [2024-05-30 20:18:14,489 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 20:18:14,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:14,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:14,491 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) [2024-05-30 20:18:14,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 20:18:16,298 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-30 20:18:16,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:16,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-30 20:18:16,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:16,956 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 82 proven. 93 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-05-30 20:18:16,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 115 proven. 60 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-05-30 20:18:17,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714473004] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:17,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:17,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 50 [2024-05-30 20:18:17,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336948796] [2024-05-30 20:18:17,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:17,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-30 20:18:17,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-30 20:18:17,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2024-05-30 20:18:17,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:17,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:17,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 10.52) internal successors, (526), 50 states have internal predecessors, (526), 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) [2024-05-30 20:18:17,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:18,945 INFO L78 Accepts]: Start accepts. Automaton has currently 3330 states, but on-demand construction may add more states Word has length 495 [2024-05-30 20:18:18,946 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:18,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:19,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:19,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:19,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:19,156 INFO L85 PathProgramCache]: Analyzing trace with hash -716011787, now seen corresponding path program 6 times [2024-05-30 20:18:19,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:19,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546549862] [2024-05-30 20:18:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 180 proven. 98 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-05-30 20:18:19,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:19,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546549862] [2024-05-30 20:18:19,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546549862] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:19,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314350574] [2024-05-30 20:18:19,882 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 20:18:19,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:19,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:19,883 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) [2024-05-30 20:18:19,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 20:18:20,204 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-30 20:18:20,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:20,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-30 20:18:20,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 127 proven. 233 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-05-30 20:18:20,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 51 proven. 309 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-05-30 20:18:20,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314350574] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:20,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:20,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 17] total 37 [2024-05-30 20:18:20,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413117861] [2024-05-30 20:18:20,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:20,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-30 20:18:20,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:20,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-30 20:18:20,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1184, Unknown=0, NotChecked=0, Total=1332 [2024-05-30 20:18:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:20,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:20,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 17.756756756756758) internal successors, (657), 37 states have internal predecessors, (657), 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) [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:20,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:20,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:23,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-30 20:18:23,078 INFO L78 Accepts]: Start accepts. Automaton has currently 10262 states, but on-demand construction may add more states Word has length 524 [2024-05-30 20:18:23,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:23,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:23,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 20:18:23,287 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:23,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1616018111, now seen corresponding path program 7 times [2024-05-30 20:18:23,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:23,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753964137] [2024-05-30 20:18:23,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:23,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 167 proven. 323 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-05-30 20:18:24,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:24,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753964137] [2024-05-30 20:18:24,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753964137] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:24,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974777756] [2024-05-30 20:18:24,023 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 20:18:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:24,024 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) [2024-05-30 20:18:24,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 20:18:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:24,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-30 20:18:24,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 360 proven. 85 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-05-30 20:18:24,905 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 360 proven. 85 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-05-30 20:18:25,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974777756] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:25,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:25,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2024-05-30 20:18:25,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456018491] [2024-05-30 20:18:25,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:25,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-05-30 20:18:25,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:25,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-05-30 20:18:25,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=584, Invalid=3838, Unknown=0, NotChecked=0, Total=4422 [2024-05-30 20:18:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:25,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:25,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.686567164179104) internal successors, (649), 67 states have internal predecessors, (649), 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) [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-30 20:18:25,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-30 20:18:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:18:26,765 INFO L78 Accepts]: Start accepts. Automaton has currently 10289 states, but on-demand construction may add more states Word has length 548 [2024-05-30 20:18:26,768 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:26,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:26,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:26,969 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:26,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:26,970 INFO L85 PathProgramCache]: Analyzing trace with hash 469759062, now seen corresponding path program 8 times [2024-05-30 20:18:26,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:26,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084665502] [2024-05-30 20:18:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 206 proven. 267 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-05-30 20:18:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084665502] [2024-05-30 20:18:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084665502] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459487578] [2024-05-30 20:18:27,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 20:18:27,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:27,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:27,851 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) [2024-05-30 20:18:27,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 20:18:28,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 20:18:28,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:28,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 1043 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-30 20:18:28,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 417 proven. 126 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-05-30 20:18:29,094 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 20:18:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 417 proven. 126 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-05-30 20:18:30,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459487578] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 20:18:30,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 20:18:30,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29, 29] total 78 [2024-05-30 20:18:30,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067683777] [2024-05-30 20:18:30,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 20:18:30,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-05-30 20:18:30,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 20:18:30,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-05-30 20:18:30,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=615, Invalid=5391, Unknown=0, NotChecked=0, Total=6006 [2024-05-30 20:18:30,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:30,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 20:18:30,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 11.064102564102564) internal successors, (863), 78 states have internal predecessors, (863), 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) [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:18:30,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 20:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-30 20:18:32,859 INFO L78 Accepts]: Start accepts. Automaton has currently 10978 states, but on-demand construction may add more states Word has length 580 [2024-05-30 20:18:32,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 20:18:32,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 20:18:33,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-30 20:18:33,069 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 20:18:33,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 20:18:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash 874346121, now seen corresponding path program 9 times [2024-05-30 20:18:33,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 20:18:33,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536409768] [2024-05-30 20:18:33,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 20:18:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 20:18:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 20:18:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 191 proven. 405 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-30 20:18:34,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 20:18:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536409768] [2024-05-30 20:18:34,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536409768] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 20:18:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938694400] [2024-05-30 20:18:34,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 20:18:34,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 20:18:34,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 20:18:34,056 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) [2024-05-30 20:18:34,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 20:18:34,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-30 20:18:34,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 20:18:34,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 268 conjunts are in the unsatisfiable core [2024-05-30 20:18:34,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 20:18:35,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-30 20:18:36,324 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-05-30 20:18:36,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-05-30 20:18:38,093 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-05-30 20:18:38,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-05-30 20:18:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:18:41,012 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-30 20:18:41,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2024-05-30 20:18:41,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-05-30 20:18:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:18:41,276 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-30 20:18:41,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2024-05-30 20:18:41,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-05-30 20:18:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:18:41,528 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-30 20:18:41,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 44 [2024-05-30 20:18:41,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-05-30 20:18:45,427 INFO L349 Elim1Store]: treesize reduction 126, result has 0.8 percent of original size [2024-05-30 20:18:45,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 4 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 150 treesize of output 135 [2024-05-30 20:18:47,816 INFO L349 Elim1Store]: treesize reduction 234, result has 0.4 percent of original size [2024-05-30 20:18:47,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 4 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 35 case distinctions, treesize of input 196 treesize of output 192 [2024-05-30 20:18:51,452 INFO L349 Elim1Store]: treesize reduction 429, result has 2.5 percent of original size [2024-05-30 20:18:51,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 4 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 67 case distinctions, treesize of input 292 treesize of output 288 [2024-05-30 20:18:58,354 INFO L349 Elim1Store]: treesize reduction 587, result has 1.8 percent of original size [2024-05-30 20:18:58,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 24 select indices, 24 select index equivalence classes, 14 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 80 case distinctions, treesize of input 357 treesize of output 349 [2024-05-30 20:19:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:19:09,334 INFO L349 Elim1Store]: treesize reduction 698, result has 3.2 percent of original size [2024-05-30 20:19:09,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 30 select indices, 30 select index equivalence classes, 40 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 76 case distinctions, treesize of input 500 treesize of output 463 [2024-05-30 20:21:17,355 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 284 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 20:22:10,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-30 20:22:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver Received shutdown request... [2024-05-30 20:32:23,417 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:32:23,417 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:32:23,456 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 20:32:23,725 WARN L235 SmtUtils]: Removed 8244 from assertion stack [2024-05-30 20:32:23,737 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 20:32:23,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 20:32:23,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-30 20:32:23,938 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 581 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20701 for 612774ms.. [2024-05-30 20:32:23,942 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1] [2024-05-30 20:32:23,943 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 20:32:23,944 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 20:32:23,944 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 20:32:23,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 08:32:23 BasicIcfg [2024-05-30 20:32:23,946 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 20:32:23,946 INFO L158 Benchmark]: Toolchain (without parser) took 862926.11ms. Allocated memory was 315.6MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 242.1MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-05-30 20:32:23,946 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 20:32:23,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.09ms. Allocated memory is still 315.6MB. Free memory was 241.9MB in the beginning and 229.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 20:32:23,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 315.6MB. Free memory was 229.2MB in the beginning and 226.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 20:32:23,946 INFO L158 Benchmark]: Boogie Preprocessor took 44.56ms. Allocated memory is still 315.6MB. Free memory was 226.7MB in the beginning and 224.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 20:32:23,947 INFO L158 Benchmark]: RCFGBuilder took 672.13ms. Allocated memory is still 315.6MB. Free memory was 224.5MB in the beginning and 272.8MB in the end (delta: -48.3MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2024-05-30 20:32:23,947 INFO L158 Benchmark]: TraceAbstraction took 861943.16ms. Allocated memory was 315.6MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 271.7MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-05-30 20:32:23,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.09ms. Allocated memory is still 315.6MB. Free memory was 241.9MB in the beginning and 229.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 315.6MB. Free memory was 229.2MB in the beginning and 226.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.56ms. Allocated memory is still 315.6MB. Free memory was 226.7MB in the beginning and 224.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 672.13ms. Allocated memory is still 315.6MB. Free memory was 224.5MB in the beginning and 272.8MB in the end (delta: -48.3MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 861943.16ms. Allocated memory was 315.6MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 271.7MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 146149, independent: 136132, independent conditional: 136132, independent unconditional: 0, dependent: 10017, dependent conditional: 10017, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 137031, independent: 136132, independent conditional: 136132, independent unconditional: 0, dependent: 899, dependent conditional: 899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 137031, independent: 136132, independent conditional: 136132, independent unconditional: 0, dependent: 899, dependent conditional: 899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 143325, independent: 136132, independent conditional: 0, independent unconditional: 136132, dependent: 7193, dependent conditional: 6294, dependent unconditional: 899, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 143325, independent: 136132, independent conditional: 0, independent unconditional: 136132, dependent: 7193, dependent conditional: 1464, dependent unconditional: 5729, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 143325, independent: 136132, independent conditional: 0, independent unconditional: 136132, dependent: 7193, dependent conditional: 1464, dependent unconditional: 5729, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 722, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 58, dependent conditional: 52, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 722, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 52, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 52, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 207, dependent conditional: 150, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 143325, independent: 135468, independent conditional: 0, independent unconditional: 135468, dependent: 7135, dependent conditional: 1412, dependent unconditional: 5723, unknown: 722, unknown conditional: 52, unknown unconditional: 670] , Statistics on independence cache: Total cache size (in pairs): 722, Positive cache size: 664, Positive conditional cache size: 0, Positive unconditional cache size: 664, Negative cache size: 58, Negative conditional cache size: 52, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4830, Maximal queried relation: 10, Independence queries for same thread: 9118 - StatisticsResult: Visitor Statistics States: 2053, Transitions: 2799, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 2053, Transitions: 2633, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 2074, Transitions: 2654, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 2098, Transitions: 2678, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 2122, Transitions: 2702, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 3368, Transitions: 4136, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 3392, Transitions: 4160, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 3190, Transitions: 3876, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 10632, Transitions: 13415, Traversal time: 2.1s - StatisticsResult: Visitor Statistics States: 10656, Transitions: 13439, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 11353, Transitions: 14135, Traversal time: 2.8s - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 581 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20701 for 612774ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 343 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 861.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 11.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 371, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 7534 NumberOfCodeBlocks, 7323 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 10966 ConstructedInterpolants, 0 QuantifiedInterpolants, 31694 SizeOfPredicates, 131 NumberOfNonLiveVariables, 6327 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 8238/10546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown