/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/array-patterns/array27_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 07:08:31,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 07:08:31,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 07:08:31,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 07:08:31,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 07:08:31,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 07:08:31,942 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 07:08:31,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 07:08:31,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 07:08:31,947 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 07:08:31,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 07:08:31,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 07:08:31,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 07:08:31,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 07:08:31,949 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 07:08:31,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 07:08:31,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 07:08:31,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 07:08:31,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 07:08:31,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 07:08:31,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 07:08:31,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 07:08:31,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 07:08:31,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 07:08:31,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 07:08:31,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 07:08:31,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 07:08:31,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 07:08:31,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 07:08:31,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 07:08:31,954 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 07:08:31,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 07:08:31,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 07:08:31,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 07:08:31,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 07:08:31,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 07:08:31,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 07:08:31,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 07:08:31,955 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 07:08:31,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 07:08:31,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 07:08:31,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 07:08:31,956 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 07:08:31,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 07:08:31,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 07:08:31,957 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 07:08:31,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 07:08:32,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 07:08:32,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 07:08:32,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 07:08:32,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 07:08:32,190 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 07:08:32,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-patterns/array27_pattern.c [2023-12-16 07:08:33,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 07:08:33,563 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 07:08:33,563 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array27_pattern.c [2023-12-16 07:08:33,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7c55d17/fa4876646b42489e8ea5c4d79cc23f86/FLAGc00106d30 [2023-12-16 07:08:33,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa7c55d17/fa4876646b42489e8ea5c4d79cc23f86 [2023-12-16 07:08:33,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 07:08:33,596 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 07:08:33,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 07:08:33,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 07:08:33,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 07:08:33,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112c0ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33, skipping insertion in model container [2023-12-16 07:08:33,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 07:08:33,781 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array27_pattern.c[1253,1266] [2023-12-16 07:08:33,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 07:08:33,808 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 07:08:33,820 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array27_pattern.c[1253,1266] [2023-12-16 07:08:33,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 07:08:33,843 INFO L206 MainTranslator]: Completed translation [2023-12-16 07:08:33,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33 WrapperNode [2023-12-16 07:08:33,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 07:08:33,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 07:08:33,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 07:08:33,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 07:08:33,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,901 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-12-16 07:08:33,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 07:08:33,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 07:08:33,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 07:08:33,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 07:08:33,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,943 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2023-12-16 07:08:33,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 07:08:33,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 07:08:33,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 07:08:33,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 07:08:33,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (1/1) ... [2023-12-16 07:08:33,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 07:08:33,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 07:08:34,002 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 07:08:34,027 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 07:08:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 07:08:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 07:08:34,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 07:08:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-16 07:08:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-16 07:08:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-16 07:08:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 07:08:34,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 07:08:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-16 07:08:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-16 07:08:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-16 07:08:34,125 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 07:08:34,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 07:08:34,503 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 07:08:34,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 07:08:34,533 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-16 07:08:34,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:08:34 BoogieIcfgContainer [2023-12-16 07:08:34,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 07:08:34,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 07:08:34,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 07:08:34,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 07:08:34,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:08:33" (1/3) ... [2023-12-16 07:08:34,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6355888e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:08:34, skipping insertion in model container [2023-12-16 07:08:34,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:08:33" (2/3) ... [2023-12-16 07:08:34,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6355888e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:08:34, skipping insertion in model container [2023-12-16 07:08:34,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:08:34" (3/3) ... [2023-12-16 07:08:34,541 INFO L112 eAbstractionObserver]: Analyzing ICFG array27_pattern.c [2023-12-16 07:08:34,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 07:08:34,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 07:08:34,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 07:08:34,598 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;@1acf171d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 07:08:34,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 07:08:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-16 07:08:34,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 07:08:34,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 07:08:34,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 07:08:34,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 07:08:34,613 INFO L85 PathProgramCache]: Analyzing trace with hash 77099514, now seen corresponding path program 1 times [2023-12-16 07:08:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 07:08:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51211460] [2023-12-16 07:08:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 07:08:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 07:08:34,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 07:08:34,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 07:08:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 07:08:34,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 07:08:34,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 07:08:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 07:08:34,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 07:08:34,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 07:08:34,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51211460] [2023-12-16 07:08:34,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51211460] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 07:08:34,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 07:08:34,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 07:08:34,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960621700] [2023-12-16 07:08:34,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 07:08:34,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 07:08:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 07:08:34,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 07:08:34,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 07:08:34,797 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.75) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:34,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 07:08:34,855 INFO L93 Difference]: Finished difference Result 34 states and 53 transitions. [2023-12-16 07:08:34,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 07:08:34,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-16 07:08:34,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 07:08:34,862 INFO L225 Difference]: With dead ends: 34 [2023-12-16 07:08:34,863 INFO L226 Difference]: Without dead ends: 16 [2023-12-16 07:08:34,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 07:08:34,868 INFO L413 NwaCegarLoop]: 19 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, 19 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 07:08:34,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 07:08:34,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-12-16 07:08:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-12-16 07:08:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-12-16 07:08:34,896 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2023-12-16 07:08:34,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 07:08:34,897 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-12-16 07:08:34,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-16 07:08:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-16 07:08:34,899 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 07:08:34,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 07:08:34,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 07:08:35,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:35,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 07:08:35,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 07:08:35,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1391253823, now seen corresponding path program 1 times [2023-12-16 07:08:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 07:08:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363709238] [2023-12-16 07:08:35,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 07:08:35,108 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:35,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 07:08:35,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 07:08:35,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 07:08:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 07:08:35,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 07:08:35,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 07:08:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 07:08:35,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 07:08:35,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 07:08:35,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363709238] [2023-12-16 07:08:35,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363709238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 07:08:35,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 07:08:35,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 07:08:35,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067960251] [2023-12-16 07:08:35,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 07:08:35,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 07:08:35,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 07:08:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 07:08:35,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 07:08:35,426 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 07:08:35,782 INFO L93 Difference]: Finished difference Result 32 states and 42 transitions. [2023-12-16 07:08:35,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 07:08:35,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-16 07:08:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 07:08:35,793 INFO L225 Difference]: With dead ends: 32 [2023-12-16 07:08:35,793 INFO L226 Difference]: Without dead ends: 24 [2023-12-16 07:08:35,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 07:08:35,795 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 28 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 07:08:35,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 11 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 07:08:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-12-16 07:08:35,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2023-12-16 07:08:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-12-16 07:08:35,801 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 9 [2023-12-16 07:08:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 07:08:35,802 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-12-16 07:08:35,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-16 07:08:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-16 07:08:35,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 07:08:35,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 07:08:35,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 07:08:36,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:36,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 07:08:36,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 07:08:36,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1398282665, now seen corresponding path program 1 times [2023-12-16 07:08:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 07:08:36,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992489806] [2023-12-16 07:08:36,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 07:08:36,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:36,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 07:08:36,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 07:08:36,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 07:08:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 07:08:36,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 07:08:36,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 07:08:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-16 07:08:36,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 07:08:36,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 07:08:36,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992489806] [2023-12-16 07:08:36,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992489806] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 07:08:36,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 07:08:36,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 07:08:36,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732558106] [2023-12-16 07:08:36,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 07:08:36,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 07:08:36,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 07:08:36,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 07:08:36,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 07:08:36,298 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 07:08:36,723 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2023-12-16 07:08:36,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 07:08:36,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-16 07:08:36,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 07:08:36,738 INFO L225 Difference]: With dead ends: 36 [2023-12-16 07:08:36,738 INFO L226 Difference]: Without dead ends: 22 [2023-12-16 07:08:36,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 07:08:36,740 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 25 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 07:08:36,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 15 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 07:08:36,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-12-16 07:08:36,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2023-12-16 07:08:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-12-16 07:08:36,749 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 15 [2023-12-16 07:08:36,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 07:08:36,749 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-12-16 07:08:36,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 07:08:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-12-16 07:08:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-16 07:08:36,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 07:08:36,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 07:08:36,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 07:08:36,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:36,957 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 07:08:36,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 07:08:36,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1830707515, now seen corresponding path program 1 times [2023-12-16 07:08:36,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 07:08:36,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976526147] [2023-12-16 07:08:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 07:08:36,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:08:36,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 07:08:36,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 07:08:36,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 07:08:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 07:08:37,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-16 07:08:37,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 07:08:37,449 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 11 treesize of output 7 [2023-12-16 07:08:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 07:08:38,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 07:09:06,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2023-12-16 07:09:06,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 68 [2023-12-16 07:09:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 07:09:39,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 07:09:39,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976526147] [2023-12-16 07:09:39,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976526147] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 07:09:39,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 07:09:39,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-12-16 07:09:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237440505] [2023-12-16 07:09:39,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 07:09:39,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-16 07:09:39,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 07:09:39,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-16 07:09:39,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2023-12-16 07:09:39,539 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 07:09:50,661 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 07:09:50,680 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 07:09:50,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 07:09:50,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 53.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2023-12-16 07:09:50,743 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-12-16 07:09:50,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-12-16 07:09:50,744 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 07:09:50,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 07:09:50,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 07:09:50,946 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (20states) and FLOYD_HOARE automaton (currently 11 states, 24 states before enhancement),while ReachableStatesComputation was computing reachable states (22 states constructed, input type IntersectNwa). [2023-12-16 07:09:50,950 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 07:09:50,951 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 07:09:50,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:09:50 BoogieIcfgContainer [2023-12-16 07:09:50,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 07:09:50,954 INFO L158 Benchmark]: Toolchain (without parser) took 77358.10ms. Allocated memory was 189.8MB in the beginning and 256.9MB in the end (delta: 67.1MB). Free memory was 132.5MB in the beginning and 79.7MB in the end (delta: 52.8MB). Peak memory consumption was 121.4MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,954 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 07:09:50,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.71ms. Allocated memory is still 189.8MB. Free memory was 132.5MB in the beginning and 120.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.35ms. Allocated memory is still 189.8MB. Free memory was 120.6MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,957 INFO L158 Benchmark]: Boogie Preprocessor took 64.24ms. Allocated memory is still 189.8MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,957 INFO L158 Benchmark]: RCFGBuilder took 565.74ms. Allocated memory was 189.8MB in the beginning and 256.9MB in the end (delta: 67.1MB). Free memory was 117.0MB in the beginning and 221.6MB in the end (delta: -104.6MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,958 INFO L158 Benchmark]: TraceAbstraction took 76417.61ms. Allocated memory is still 256.9MB. Free memory was 221.1MB in the beginning and 79.7MB in the end (delta: 141.4MB). Peak memory consumption was 141.9MB. Max. memory is 8.0GB. [2023-12-16 07:09:50,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.71ms. Allocated memory is still 189.8MB. Free memory was 132.5MB in the beginning and 120.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.35ms. Allocated memory is still 189.8MB. Free memory was 120.6MB in the beginning and 119.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.24ms. Allocated memory is still 189.8MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 565.74ms. Allocated memory was 189.8MB in the beginning and 256.9MB in the end (delta: 67.1MB). Free memory was 117.0MB in the beginning and 221.6MB in the end (delta: -104.6MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. * TraceAbstraction took 76417.61ms. Allocated memory is still 256.9MB. Free memory was 221.1MB in the beginning and 79.7MB in the end (delta: 141.4MB). Peak memory consumption was 141.9MB. 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: 32]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 32). Cancelled while NwaCegarLoop was constructing difference of abstraction (20states) and FLOYD_HOARE automaton (currently 11 states, 24 states before enhancement),while ReachableStatesComputation was computing reachable states (22 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 28 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 53.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 62.9s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 26 QuantifiedInterpolants, 1015 SizeOfPredicates, 22 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/10 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