/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 16:21:28,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 16:21:28,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 16:21:28,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 16:21:28,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 16:21:28,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 16:21:28,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 16:21:28,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 16:21:28,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 16:21:28,692 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 16:21:28,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 16:21:28,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 16:21:28,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 16:21:28,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 16:21:28,694 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 16:21:28,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 16:21:28,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 16:21:28,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 16:21:28,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 16:21:28,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 16:21:28,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 16:21:28,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 16:21:28,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 16:21:28,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 16:21:28,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 16:21:28,703 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 16:21:28,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 16:21:28,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 16:21:28,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 16:21:28,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 16:21:28,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 16:21:28,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 16:21:28,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:21:28,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 16:21:28,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 16:21:28,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 16:21:28,705 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 16:21:28,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 16:21:28,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 16:21:28,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 16:21:28,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 16:21:28,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 16:21:28,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 16:21:28,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 16:21:28,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 16:21:28,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 16:21:28,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 16:21:28,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 16:21:28,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 16:21:28,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2023-12-19 16:21:29,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 16:21:30,010 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 16:21:30,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i [2023-12-19 16:21:30,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915e41069/9d53e8717ab54074a632fdac8d93cb7a/FLAGb31308572 [2023-12-19 16:21:30,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915e41069/9d53e8717ab54074a632fdac8d93cb7a [2023-12-19 16:21:30,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 16:21:30,035 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 16:21:30,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 16:21:30,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 16:21:30,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 16:21:30,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf8de3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30, skipping insertion in model container [2023-12-19 16:21:30,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 16:21:30,184 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i[917,930] [2023-12-19 16:21:30,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:21:30,234 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 16:21:30,242 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-84.i[917,930] [2023-12-19 16:21:30,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 16:21:30,296 INFO L206 MainTranslator]: Completed translation [2023-12-19 16:21:30,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30 WrapperNode [2023-12-19 16:21:30,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 16:21:30,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 16:21:30,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 16:21:30,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 16:21:30,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,388 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-12-19 16:21:30,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 16:21:30,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 16:21:30,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 16:21:30,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 16:21:30,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,423 INFO L175 MemorySlicer]: Split 122 memory accesses to 2 slices as follows [2, 120]. 98 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 17 writes are split as follows [0, 17]. [2023-12-19 16:21:30,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 16:21:30,454 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 16:21:30,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 16:21:30,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 16:21:30,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (1/1) ... [2023-12-19 16:21:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 16:21:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:21:30,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 16:21:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 16:21:30,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 16:21:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 16:21:30,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 16:21:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 16:21:30,592 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 16:21:30,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 16:21:30,965 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 16:21:30,987 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 16:21:30,988 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 16:21:30,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:21:30 BoogieIcfgContainer [2023-12-19 16:21:30,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 16:21:30,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 16:21:30,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 16:21:30,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 16:21:30,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 04:21:30" (1/3) ... [2023-12-19 16:21:30,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285deae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:21:30, skipping insertion in model container [2023-12-19 16:21:30,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 04:21:30" (2/3) ... [2023-12-19 16:21:30,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285deae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 04:21:30, skipping insertion in model container [2023-12-19 16:21:30,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 04:21:30" (3/3) ... [2023-12-19 16:21:30,994 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-84.i [2023-12-19 16:21:31,006 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 16:21:31,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 16:21:31,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 16:21:31,045 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=PETRI_NET, 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;@1e6be10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 16:21:31,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 16:21:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 74 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-19 16:21:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-19 16:21:31,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:31,070 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:31,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:31,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:31,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2037949046, now seen corresponding path program 1 times [2023-12-19 16:21:31,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:31,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671499829] [2023-12-19 16:21:31,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:31,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:21:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:21:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:21:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:21:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:21:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:21:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:21:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:21:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:21:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:21:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:21:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:21:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:21:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:21:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 16:21:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 16:21:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 16:21:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 16:21:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 16:21:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 16:21:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 16:21:31,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:21:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671499829] [2023-12-19 16:21:31,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671499829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:21:31,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:21:31,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 16:21:31,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366392573] [2023-12-19 16:21:31,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:21:31,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 16:21:31,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:21:31,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 16:21:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 16:21:31,518 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 74 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-19 16:21:31,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:21:31,569 INFO L93 Difference]: Finished difference Result 189 states and 300 transitions. [2023-12-19 16:21:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 16:21:31,571 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 145 [2023-12-19 16:21:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:21:31,579 INFO L225 Difference]: With dead ends: 189 [2023-12-19 16:21:31,579 INFO L226 Difference]: Without dead ends: 94 [2023-12-19 16:21:31,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 16:21:31,586 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:21:31,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:21:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-19 16:21:31,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-19 16:21:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-19 16:21:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-19 16:21:31,640 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 145 [2023-12-19 16:21:31,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:21:31,641 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-19 16:21:31,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-19 16:21:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-19 16:21:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-19 16:21:31,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:31,643 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:31,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-19 16:21:31,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:31,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:31,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1859365614, now seen corresponding path program 1 times [2023-12-19 16:21:31,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:31,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948613601] [2023-12-19 16:21:31,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:31,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:21:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:21:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:21:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:21:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:21:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:21:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:21:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:21:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:21:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:21:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:21:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:21:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:21:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:21:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 16:21:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 16:21:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 16:21:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 16:21:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 16:21:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 16:21:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 16:21:31,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:21:31,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948613601] [2023-12-19 16:21:31,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948613601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:21:31,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:21:31,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 16:21:31,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732748217] [2023-12-19 16:21:31,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:21:31,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 16:21:31,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:21:31,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 16:21:31,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 16:21:31,996 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-19 16:21:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:21:32,060 INFO L93 Difference]: Finished difference Result 191 states and 276 transitions. [2023-12-19 16:21:32,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 16:21:32,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 145 [2023-12-19 16:21:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:21:32,064 INFO L225 Difference]: With dead ends: 191 [2023-12-19 16:21:32,064 INFO L226 Difference]: Without dead ends: 98 [2023-12-19 16:21:32,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:21:32,068 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 3 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:21:32,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 384 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 16:21:32,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-19 16:21:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2023-12-19 16:21:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-19 16:21:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-12-19 16:21:32,083 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 145 [2023-12-19 16:21:32,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:21:32,085 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-12-19 16:21:32,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-19 16:21:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-12-19 16:21:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-19 16:21:32,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:32,091 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:32,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-19 16:21:32,092 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:32,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:32,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1859425196, now seen corresponding path program 1 times [2023-12-19 16:21:32,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:32,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691651802] [2023-12-19 16:21:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:32,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:21:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:21:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:21:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:21:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:21:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:21:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:21:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:21:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:21:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:21:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:21:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:21:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:21:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:21:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 16:21:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 16:21:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 16:21:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 16:21:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 16:21:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 16:21:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 16:21:32,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:21:32,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691651802] [2023-12-19 16:21:32,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691651802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:21:32,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:21:32,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 16:21:32,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166580192] [2023-12-19 16:21:32,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:21:32,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 16:21:32,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:21:32,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 16:21:32,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 16:21:32,486 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-19 16:21:32,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:21:32,781 INFO L93 Difference]: Finished difference Result 289 states and 416 transitions. [2023-12-19 16:21:32,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 16:21:32,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 145 [2023-12-19 16:21:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:21:32,785 INFO L225 Difference]: With dead ends: 289 [2023-12-19 16:21:32,786 INFO L226 Difference]: Without dead ends: 194 [2023-12-19 16:21:32,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-19 16:21:32,790 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 142 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 16:21:32,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 362 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 16:21:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-12-19 16:21:32,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 162. [2023-12-19 16:21:32,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.2857142857142858) internal successors, (153), 119 states have internal predecessors, (153), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-19 16:21:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 233 transitions. [2023-12-19 16:21:32,823 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 233 transitions. Word has length 145 [2023-12-19 16:21:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:21:32,823 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 233 transitions. [2023-12-19 16:21:32,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-19 16:21:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 233 transitions. [2023-12-19 16:21:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 16:21:32,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:32,828 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:32,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-19 16:21:32,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:32,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2085711054, now seen corresponding path program 1 times [2023-12-19 16:21:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:32,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355970721] [2023-12-19 16:21:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:21:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:21:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:21:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:21:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:21:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:21:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:21:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:21:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:21:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:21:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:21:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:21:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:21:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:21:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 16:21:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 16:21:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 16:21:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 16:21:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 16:21:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 16:21:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 16:21:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:21:37,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355970721] [2023-12-19 16:21:37,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355970721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:21:37,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:21:37,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-19 16:21:37,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882389050] [2023-12-19 16:21:37,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:21:37,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-19 16:21:37,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:21:37,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-19 16:21:37,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-12-19 16:21:37,711 INFO L87 Difference]: Start difference. First operand 162 states and 233 transitions. Second operand has 20 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 20 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-19 16:21:41,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:21:41,298 INFO L93 Difference]: Finished difference Result 420 states and 597 transitions. [2023-12-19 16:21:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-19 16:21:41,299 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 20 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 153 [2023-12-19 16:21:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:21:41,301 INFO L225 Difference]: With dead ends: 420 [2023-12-19 16:21:41,301 INFO L226 Difference]: Without dead ends: 325 [2023-12-19 16:21:41,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=314, Invalid=1326, Unknown=0, NotChecked=0, Total=1640 [2023-12-19 16:21:41,302 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 644 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 16:21:41,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 1036 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1591 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 16:21:41,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-19 16:21:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 186. [2023-12-19 16:21:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 143 states have internal predecessors, (186), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-19 16:21:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 266 transitions. [2023-12-19 16:21:41,346 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 266 transitions. Word has length 153 [2023-12-19 16:21:41,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:21:41,347 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 266 transitions. [2023-12-19 16:21:41,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 20 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-19 16:21:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 266 transitions. [2023-12-19 16:21:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 16:21:41,348 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:41,348 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:41,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-19 16:21:41,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:41,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1268062604, now seen corresponding path program 1 times [2023-12-19 16:21:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041330797] [2023-12-19 16:21:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-19 16:21:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-19 16:21:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-19 16:21:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-19 16:21:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-19 16:21:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-19 16:21:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-19 16:21:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-19 16:21:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-19 16:21:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-19 16:21:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-19 16:21:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-19 16:21:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-19 16:21:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-19 16:21:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-19 16:21:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-19 16:21:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-12-19 16:21:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-12-19 16:21:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-12-19 16:21:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-12-19 16:21:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-19 16:21:44,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 16:21:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041330797] [2023-12-19 16:21:44,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041330797] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 16:21:44,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 16:21:44,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-12-19 16:21:44,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549370980] [2023-12-19 16:21:44,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 16:21:44,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-19 16:21:44,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 16:21:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-19 16:21:44,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-12-19 16:21:44,961 INFO L87 Difference]: Start difference. First operand 186 states and 266 transitions. Second operand has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-19 16:21:47,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 16:21:47,156 INFO L93 Difference]: Finished difference Result 375 states and 535 transitions. [2023-12-19 16:21:47,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-19 16:21:47,156 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 153 [2023-12-19 16:21:47,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 16:21:47,157 INFO L225 Difference]: With dead ends: 375 [2023-12-19 16:21:47,157 INFO L226 Difference]: Without dead ends: 265 [2023-12-19 16:21:47,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=216, Invalid=906, Unknown=0, NotChecked=0, Total=1122 [2023-12-19 16:21:47,159 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 431 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-19 16:21:47,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 817 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-19 16:21:47,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-19 16:21:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 188. [2023-12-19 16:21:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 145 states have internal predecessors, (190), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-19 16:21:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 270 transitions. [2023-12-19 16:21:47,177 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 270 transitions. Word has length 153 [2023-12-19 16:21:47,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 16:21:47,177 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 270 transitions. [2023-12-19 16:21:47,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.111111111111111) internal successors, (56), 19 states have internal predecessors, (56), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-19 16:21:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 270 transitions. [2023-12-19 16:21:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-19 16:21:47,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 16:21:47,179 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 16:21:47,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 16:21:47,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 16:21:47,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 16:21:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2105566481, now seen corresponding path program 1 times [2023-12-19 16:21:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 16:21:47,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966144735] [2023-12-19 16:21:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:47,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 16:21:47,198 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 16:21:47,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171973189] [2023-12-19 16:21:47,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 16:21:47,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 16:21:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 16:21:47,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 16:21:47,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 16:21:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 16:21:47,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 123 conjunts are in the unsatisfiable core [2023-12-19 16:21:47,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 16:21:47,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2023-12-19 16:21:48,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-19 16:21:48,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-19 16:21:49,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-19 16:21:50,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:50,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:51,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:52,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:53,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:53,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-12-19 16:21:54,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2023-12-19 16:21:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:54,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:54,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 55 [2023-12-19 16:21:55,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2023-12-19 16:21:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2023-12-19 16:21:55,446 INFO L349 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2023-12-19 16:21:55,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 178 treesize of output 166 [2023-12-19 16:21:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,576 INFO L349 Elim1Store]: treesize reduction 58, result has 13.4 percent of original size [2023-12-19 16:21:55,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 175 [2023-12-19 16:21:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:55,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 67 [2023-12-19 16:21:56,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,259 INFO L349 Elim1Store]: treesize reduction 223, result has 18.9 percent of original size [2023-12-19 16:21:56,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 132 treesize of output 209 [2023-12-19 16:21:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:21:56,426 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2023-12-19 16:21:56,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 97 treesize of output 88 [2023-12-19 16:22:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:00,790 INFO L349 Elim1Store]: treesize reduction 235, result has 18.1 percent of original size [2023-12-19 16:22:00,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 148 treesize of output 225 [2023-12-19 16:22:01,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:01,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:01,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:01,159 INFO L349 Elim1Store]: treesize reduction 64, result has 37.9 percent of original size [2023-12-19 16:22:01,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 91 treesize of output 120 [2023-12-19 16:22:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,805 INFO L349 Elim1Store]: treesize reduction 373, result has 25.3 percent of original size [2023-12-19 16:22:11,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 14 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 132 treesize of output 275 [2023-12-19 16:22:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-19 16:22:12,079 INFO L349 Elim1Store]: treesize reduction 96, result has 26.7 percent of original size [2023-12-19 16:22:12,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 79 treesize of output 96 [2023-12-19 16:23:21,764 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:25:52,502 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:26:03,233 WARN L293 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:26:11,264 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:27:09,496 WARN L293 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:27:56,924 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:04,949 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:12,985 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:21,025 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:35,748 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:49,171 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:28:57,206 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:29:12,472 WARN L293 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:29:19,972 WARN L293 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:29:40,971 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:29:57,406 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:30:24,100 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:30:32,173 WARN L293 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:30:40,208 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:30:46,298 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:30:52,016 WARN L293 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:31:00,041 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:31:08,080 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:31:17,635 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:31:25,716 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:31:50,042 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:32:11,415 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:32:23,146 WARN L293 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:32:32,738 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:32:39,028 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:32:53,805 WARN L293 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 16:34:42,893 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-19 16:35:53,970 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 16:35:53,970 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-19 16:35:54,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 16:35:55,171 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-19 16:35:55,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-19 16:35:55,292 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 16:35:55,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-19 16:35:55,292 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 155 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-19 16:35:55,295 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-19 16:35:55,296 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 16:35:55,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 04:35:55 BoogieIcfgContainer [2023-12-19 16:35:55,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 16:35:55,298 INFO L158 Benchmark]: Toolchain (without parser) took 865263.54ms. Allocated memory was 231.7MB in the beginning and 923.8MB in the end (delta: 692.1MB). Free memory was 169.9MB in the beginning and 868.9MB in the end (delta: -699.0MB). Peak memory consumption was 545.7MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,298 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 231.7MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 16:35:55,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.61ms. Allocated memory is still 231.7MB. Free memory was 169.8MB in the beginning and 153.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.48ms. Allocated memory was 231.7MB in the beginning and 281.0MB in the end (delta: 49.3MB). Free memory was 153.6MB in the beginning and 246.7MB in the end (delta: -93.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,299 INFO L158 Benchmark]: Boogie Preprocessor took 63.82ms. Allocated memory is still 281.0MB. Free memory was 246.7MB in the beginning and 242.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,299 INFO L158 Benchmark]: RCFGBuilder took 534.26ms. Allocated memory is still 281.0MB. Free memory was 241.4MB in the beginning and 206.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,299 INFO L158 Benchmark]: TraceAbstraction took 864308.13ms. Allocated memory was 281.0MB in the beginning and 923.8MB in the end (delta: 642.8MB). Free memory was 206.3MB in the beginning and 868.9MB in the end (delta: -662.6MB). Peak memory consumption was 531.9MB. Max. memory is 8.0GB. [2023-12-19 16:35:55,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 231.7MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.61ms. Allocated memory is still 231.7MB. Free memory was 169.8MB in the beginning and 153.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 91.48ms. Allocated memory was 231.7MB in the beginning and 281.0MB in the end (delta: 49.3MB). Free memory was 153.6MB in the beginning and 246.7MB in the end (delta: -93.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.82ms. Allocated memory is still 281.0MB. Free memory was 246.7MB in the beginning and 242.0MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 534.26ms. Allocated memory is still 281.0MB. Free memory was 241.4MB in the beginning and 206.8MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 864308.13ms. Allocated memory was 281.0MB in the beginning and 923.8MB in the end (delta: 642.8MB). Free memory was 206.3MB in the beginning and 868.9MB in the end (delta: -662.6MB). Peak memory consumption was 531.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 155 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 864.3s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1222 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1220 mSDsluCounter, 2731 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2179 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3174 IncrementalHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 552 mSDtfsCounter, 3174 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 331 GetRequests, 250 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=5, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 250 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 736 ConstructedInterpolants, 0 QuantifiedInterpolants, 10653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 3800/3800 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