/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 02:46:51,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 02:46:52,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 02:46:52,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 02:46:52,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 02:46:52,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 02:46:52,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 02:46:52,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 02:46:52,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 02:46:52,044 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 02:46:52,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 02:46:52,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 02:46:52,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 02:46:52,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 02:46:52,046 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 02:46:52,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 02:46:52,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 02:46:52,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 02:46:52,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 02:46:52,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 02:46:52,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 02:46:52,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 02:46:52,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 02:46:52,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 02:46:52,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 02:46:52,050 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 02:46:52,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 02:46:52,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 02:46:52,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 02:46:52,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 02:46:52,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 02:46:52,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 02:46:52,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 02:46:52,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 02:46:52,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 02:46:52,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 02:46:52,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 02:46:52,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 02:46:52,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 02:46:52,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 02:46:52,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 02:46:52,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 02:46:52,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 02:46:52,285 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 02:46:52,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-12-16 02:46:53,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 02:46:53,582 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 02:46:53,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-12-16 02:46:53,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ba08497/903a99102ad849f6976e2cbd12b9c302/FLAG13d77aa45 [2023-12-16 02:46:53,606 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ba08497/903a99102ad849f6976e2cbd12b9c302 [2023-12-16 02:46:53,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 02:46:53,609 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 02:46:53,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 02:46:53,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 02:46:53,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 02:46:53,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66016713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53, skipping insertion in model container [2023-12-16 02:46:53,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,642 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 02:46:53,766 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_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-12-16 02:46:53,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 02:46:53,852 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 02:46:53,864 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_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-12-16 02:46:53,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 02:46:53,918 INFO L206 MainTranslator]: Completed translation [2023-12-16 02:46:53,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53 WrapperNode [2023-12-16 02:46:53,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 02:46:53,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 02:46:53,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 02:46:53,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 02:46:53,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,969 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-12-16 02:46:53,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 02:46:53,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 02:46:53,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 02:46:53,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 02:46:53,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:53,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,008 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 02:46:54,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,013 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 02:46:54,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 02:46:54,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 02:46:54,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 02:46:54,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (1/1) ... [2023-12-16 02:46:54,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 02:46:54,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 02:46:54,085 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) [2023-12-16 02:46:54,150 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 [2023-12-16 02:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 02:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 02:46:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 02:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 02:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 02:46:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 02:46:54,240 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 02:46:54,242 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 02:46:54,616 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 02:46:54,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 02:46:54,666 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 02:46:54,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:46:54 BoogieIcfgContainer [2023-12-16 02:46:54,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 02:46:54,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 02:46:54,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 02:46:54,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 02:46:54,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:46:53" (1/3) ... [2023-12-16 02:46:54,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1356f58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:46:54, skipping insertion in model container [2023-12-16 02:46:54,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:46:53" (2/3) ... [2023-12-16 02:46:54,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1356f58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:46:54, skipping insertion in model container [2023-12-16 02:46:54,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:46:54" (3/3) ... [2023-12-16 02:46:54,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-12-16 02:46:54,701 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 02:46:54,701 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 02:46:54,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 02:46:54,755 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;@24328f47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 02:46:54,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 02:46:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-16 02:46:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-16 02:46:54,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:46:54,773 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:46:54,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:46:54,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:46:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash 639929432, now seen corresponding path program 1 times [2023-12-16 02:46:54,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:46:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670529886] [2023-12-16 02:46:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:46:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:46:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 02:46:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-16 02:46:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 02:46:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-16 02:46:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-16 02:46:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-16 02:46:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 02:46:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-16 02:46:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-16 02:46:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 02:46:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 02:46:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 02:46:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 02:46:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 02:46:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 02:46:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 02:46:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 02:46:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 02:46:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 02:46:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 02:46:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 02:46:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 02:46:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 02:46:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 02:46:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 02:46:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-16 02:46:55,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:46:55,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670529886] [2023-12-16 02:46:55,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670529886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:46:55,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:46:55,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 02:46:55,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442064317] [2023-12-16 02:46:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:46:55,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 02:46:55,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:46:55,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 02:46:55,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 02:46:55,253 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-16 02:46:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:46:55,301 INFO L93 Difference]: Finished difference Result 143 states and 251 transitions. [2023-12-16 02:46:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 02:46:55,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2023-12-16 02:46:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:46:55,315 INFO L225 Difference]: With dead ends: 143 [2023-12-16 02:46:55,315 INFO L226 Difference]: Without dead ends: 71 [2023-12-16 02:46:55,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 02:46:55,321 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 02:46:55,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 02:46:55,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-16 02:46:55,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-16 02:46:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-16 02:46:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-12-16 02:46:55,369 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 159 [2023-12-16 02:46:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:46:55,369 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-12-16 02:46:55,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-16 02:46:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-16 02:46:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-16 02:46:55,372 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:46:55,372 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:46:55,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 02:46:55,373 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:46:55,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:46:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1095343782, now seen corresponding path program 1 times [2023-12-16 02:46:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:46:55,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935563333] [2023-12-16 02:46:55,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:46:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:46:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 02:46:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-16 02:46:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 02:46:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-16 02:46:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-16 02:46:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-16 02:46:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 02:46:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-16 02:46:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-16 02:46:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 02:46:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 02:46:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 02:46:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 02:46:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 02:46:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 02:46:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 02:46:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 02:46:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 02:46:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 02:46:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 02:46:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 02:46:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 02:46:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 02:46:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 02:46:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 02:46:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:46:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-16 02:46:55,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:46:55,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935563333] [2023-12-16 02:46:55,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935563333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:46:55,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:46:55,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 02:46:55,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246288416] [2023-12-16 02:46:55,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:46:55,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 02:46:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:46:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 02:46:55,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 02:46:55,872 INFO L87 Difference]: Start difference. First operand 71 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-16 02:46:56,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:46:56,020 INFO L93 Difference]: Finished difference Result 212 states and 326 transitions. [2023-12-16 02:46:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 02:46:56,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2023-12-16 02:46:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:46:56,026 INFO L225 Difference]: With dead ends: 212 [2023-12-16 02:46:56,026 INFO L226 Difference]: Without dead ends: 142 [2023-12-16 02:46:56,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 02:46:56,030 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 66 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 02:46:56,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 305 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 02:46:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-16 02:46:56,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 118. [2023-12-16 02:46:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 65 states have internal predecessors, (82), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-16 02:46:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 182 transitions. [2023-12-16 02:46:56,067 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 182 transitions. Word has length 159 [2023-12-16 02:46:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:46:56,068 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 182 transitions. [2023-12-16 02:46:56,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-16 02:46:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-12-16 02:46:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 02:46:56,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:46:56,072 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:46:56,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 02:46:56,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:46:56,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:46:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash -976445293, now seen corresponding path program 1 times [2023-12-16 02:46:56,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:46:56,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280977376] [2023-12-16 02:46:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:46:56,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:46:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 02:47:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-16 02:47:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-16 02:47:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-16 02:47:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-12-16 02:47:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-16 02:47:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-12-16 02:47:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-12-16 02:47:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-16 02:47:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-12-16 02:47:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-16 02:47:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 02:47:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 02:47:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-12-16 02:47:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-12-16 02:47:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-12-16 02:47:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-16 02:47:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-12-16 02:47:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 02:47:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-12-16 02:47:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-12-16 02:47:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-12-16 02:47:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-12-16 02:47:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-12-16 02:47:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-12-16 02:47:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 02:47:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-16 02:47:49,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 02:47:49,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280977376] [2023-12-16 02:47:49,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280977376] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 02:47:49,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 02:47:49,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-16 02:47:49,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994522847] [2023-12-16 02:47:49,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 02:47:49,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 02:47:49,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 02:47:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 02:47:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-16 02:47:49,463 INFO L87 Difference]: Start difference. First operand 118 states and 182 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-16 02:47:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 02:47:51,474 INFO L93 Difference]: Finished difference Result 324 states and 482 transitions. [2023-12-16 02:47:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 02:47:51,475 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2023-12-16 02:47:51,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 02:47:51,477 INFO L225 Difference]: With dead ends: 324 [2023-12-16 02:47:51,477 INFO L226 Difference]: Without dead ends: 254 [2023-12-16 02:47:51,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=233, Invalid=759, Unknown=0, NotChecked=0, Total=992 [2023-12-16 02:47:51,479 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 290 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 02:47:51,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 659 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 02:47:51,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-12-16 02:47:51,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 205. [2023-12-16 02:47:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 123 states have (on average 1.2601626016260163) internal successors, (155), 124 states have internal predecessors, (155), 75 states have call successors, (75), 6 states have call predecessors, (75), 6 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-16 02:47:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 305 transitions. [2023-12-16 02:47:51,505 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 305 transitions. Word has length 160 [2023-12-16 02:47:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 02:47:51,505 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 305 transitions. [2023-12-16 02:47:51,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-16 02:47:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2023-12-16 02:47:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 02:47:51,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 02:47:51,507 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 02:47:51,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 02:47:51,507 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 02:47:51,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 02:47:51,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1229311699, now seen corresponding path program 1 times [2023-12-16 02:47:51,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 02:47:51,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776013145] [2023-12-16 02:47:51,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 02:47:51,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 02:47:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-16 02:48:01,972 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 [2023-12-16 02:48:01,983 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 02:48:01,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 02:48:01,984 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 161 with TraceHistMax 25,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-3-5-3-3-3-2-3-2-4-2-2-2-2-2-2-2-2-4-2-3-4-2-3-2-6-2-6-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-35-3-4-4-4-3-2-4-4-3-3-4-4-4-4-4-4-4-2-6-2-4-2-3-2-2-2-1 context. [2023-12-16 02:48:01,987 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 02:48:01,989 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 02:48:01,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:48:01 BoogieIcfgContainer [2023-12-16 02:48:01,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 02:48:01,991 INFO L158 Benchmark]: Toolchain (without parser) took 68381.56ms. Allocated memory was 273.7MB in the beginning and 937.4MB in the end (delta: 663.7MB). Free memory was 221.0MB in the beginning and 611.7MB in the end (delta: -390.7MB). Peak memory consumption was 554.7MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,991 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 02:48:01,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.05ms. Allocated memory is still 273.7MB. Free memory was 220.7MB in the beginning and 205.3MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.75ms. Allocated memory is still 273.7MB. Free memory was 205.3MB in the beginning and 200.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,992 INFO L158 Benchmark]: Boogie Preprocessor took 62.34ms. Allocated memory is still 273.7MB. Free memory was 200.6MB in the beginning and 193.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,992 INFO L158 Benchmark]: RCFGBuilder took 633.72ms. Allocated memory is still 273.7MB. Free memory was 193.0MB in the beginning and 229.7MB in the end (delta: -36.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,992 INFO L158 Benchmark]: TraceAbstraction took 67322.03ms. Allocated memory was 273.7MB in the beginning and 937.4MB in the end (delta: 663.7MB). Free memory was 228.8MB in the beginning and 611.7MB in the end (delta: -382.9MB). Peak memory consumption was 562.4MB. Max. memory is 8.0GB. [2023-12-16 02:48:01,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 309.05ms. Allocated memory is still 273.7MB. Free memory was 220.7MB in the beginning and 205.3MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.75ms. Allocated memory is still 273.7MB. Free memory was 205.3MB in the beginning and 200.6MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.34ms. Allocated memory is still 273.7MB. Free memory was 200.6MB in the beginning and 193.3MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 633.72ms. Allocated memory is still 273.7MB. Free memory was 193.0MB in the beginning and 229.7MB in the end (delta: -36.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 67322.03ms. Allocated memory was 273.7MB in the beginning and 937.4MB in the end (delta: 663.7MB). Free memory was 228.8MB in the beginning and 611.7MB in the end (delta: -382.9MB). Peak memory consumption was 562.4MB. 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 161 with TraceHistMax 25,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-3-5-3-3-3-2-3-2-4-2-2-2-2-2-2-2-2-4-2-3-4-2-3-2-6-2-6-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-35-3-4-4-4-3-2-4-4-3-3-4-4-4-4-4-4-4-2-6-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.3s, OverallIterations: 4, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 356 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 356 mSDsluCounter, 1070 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 757 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 794 IncrementalHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 313 mSDtfsCounter, 794 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=3, InterpolantAutomatonStates: 28, 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, 3 MinimizatonAttempts, 73 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 54.0s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 475 ConstructedInterpolants, 0 QuantifiedInterpolants, 3367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3600/3600 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