/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/xcsp/Haystacks-14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:43:53,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:43:53,569 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 18:43:53,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:43:53,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:43:53,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:43:53,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:43:53,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:43:53,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:43:53,600 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:43:53,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:43:53,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:43:53,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:43:53,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:43:53,602 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:43:53,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:43:53,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:43:53,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:43:53,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:43:53,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:43:53,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:43:53,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:43:53,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:43:53,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:43:53,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:43:53,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:43:53,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:43:53,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:43:53,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:43:53,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:43:53,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:43:53,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:43:53,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:43:53,607 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:43:53,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:43:53,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:43:53,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:43:53,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:43:53,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:43:53,795 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:43:53,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-14.c [2023-12-16 18:43:54,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:43:55,087 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:43:55,087 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c [2023-12-16 18:43:55,100 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4222a5338/4ac185757ec6437b83d591f1211f0f4c/FLAG3726c061f [2023-12-16 18:43:55,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4222a5338/4ac185757ec6437b83d591f1211f0f4c [2023-12-16 18:43:55,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:43:55,115 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:43:55,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:43:55,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:43:55,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:43:55,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d6e03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55, skipping insertion in model container [2023-12-16 18:43:55,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:43:55,499 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2023-12-16 18:43:55,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:43:55,521 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:43:55,593 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2023-12-16 18:43:55,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:43:55,607 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:43:55,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55 WrapperNode [2023-12-16 18:43:55,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:43:55,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:43:55,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:43:55,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:43:55,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,697 INFO L138 Inliner]: procedures = 13, calls = 1855, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2648 [2023-12-16 18:43:55,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:43:55,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:43:55,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:43:55,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:43:55,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,745 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 18:43:55,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:43:55,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:43:55,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:43:55,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:43:55,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (1/1) ... [2023-12-16 18:43:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:43:55,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:43:55,868 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 18:43:55,918 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 18:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:43:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:43:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:43:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:43:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-16 18:43:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-16 18:43:56,084 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:43:56,087 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:43:57,307 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:43:57,355 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:43:57,356 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 18:43:57,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:43:57 BoogieIcfgContainer [2023-12-16 18:43:57,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:43:57,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:43:57,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:43:57,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:43:57,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:43:55" (1/3) ... [2023-12-16 18:43:57,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b559b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:43:57, skipping insertion in model container [2023-12-16 18:43:57,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:43:55" (2/3) ... [2023-12-16 18:43:57,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b559b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:43:57, skipping insertion in model container [2023-12-16 18:43:57,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:43:57" (3/3) ... [2023-12-16 18:43:57,361 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-14.c [2023-12-16 18:43:57,373 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:43:57,373 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:43:57,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:43:57,435 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;@68122793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:43:57,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:43:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 2052 states, 201 states have (on average 1.0099502487562189) internal successors, (203), 202 states have internal predecessors, (203), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-12-16 18:43:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9439 [2023-12-16 18:43:58,113 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:43:58,117 INFO L195 NwaCegarLoop]: trace histogram [1848, 1848, 1848, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:43:58,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:43:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash -164329635, now seen corresponding path program 1 times [2023-12-16 18:43:58,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:43:58,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850263096] [2023-12-16 18:43:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:43:58,169 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 18:43:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:43:58,172 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 18:43:58,224 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 18:44:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:44:05,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 13146 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 18:44:05,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:44:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6826512 backedges. 2996494 proven. 0 refuted. 0 times theorem prover too weak. 3830018 trivial. 0 not checked. [2023-12-16 18:44:06,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:44:06,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:44:06,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850263096] [2023-12-16 18:44:06,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850263096] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:44:06,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:44:06,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 18:44:06,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439700008] [2023-12-16 18:44:06,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:44:06,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 18:44:06,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:44:06,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 18:44:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 18:44:06,124 INFO L87 Difference]: Start difference. First operand has 2052 states, 201 states have (on average 1.0099502487562189) internal successors, (203), 202 states have internal predecessors, (203), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) Second operand has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 2 states have return successors, (1848), 2 states have call predecessors, (1848), 2 states have call successors, (1848) [2023-12-16 18:44:06,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:44:06,293 INFO L93 Difference]: Finished difference Result 4101 states and 9643 transitions. [2023-12-16 18:44:06,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 18:44:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 2 states have return successors, (1848), 2 states have call predecessors, (1848), 2 states have call successors, (1848) Word has length 9438 [2023-12-16 18:44:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:44:06,319 INFO L225 Difference]: With dead ends: 4101 [2023-12-16 18:44:06,319 INFO L226 Difference]: Without dead ends: 2051 [2023-12-16 18:44:06,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9437 GetRequests, 9437 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 18:44:06,342 INFO L413 NwaCegarLoop]: 3896 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:44:06,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3896 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:44:06,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2023-12-16 18:44:07,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 2051. [2023-12-16 18:44:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 201 states have (on average 1.0) internal successors, (201), 201 states have internal predecessors, (201), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-12-16 18:44:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3897 transitions. [2023-12-16 18:44:07,838 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3897 transitions. Word has length 9438 [2023-12-16 18:44:07,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:44:07,840 INFO L495 AbstractCegarLoop]: Abstraction has 2051 states and 3897 transitions. [2023-12-16 18:44:07,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 2 states have return successors, (1848), 2 states have call predecessors, (1848), 2 states have call successors, (1848) [2023-12-16 18:44:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3897 transitions. [2023-12-16 18:44:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9439 [2023-12-16 18:44:08,376 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:44:08,379 INFO L195 NwaCegarLoop]: trace histogram [1848, 1848, 1848, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:08,584 WARN L435 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)] Forcibly destroying the process [2023-12-16 18:44:08,612 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 (2)] Forceful destruction successful, exit code 137 [2023-12-16 18:44:08,612 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 18:44:08,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:44:08,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:44:08,616 INFO L85 PathProgramCache]: Analyzing trace with hash -339515043, now seen corresponding path program 1 times [2023-12-16 18:44:08,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:44:08,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333668789] [2023-12-16 18:44:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:44:08,640 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 18:44:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:44:08,641 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 18:44:08,643 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 Received shutdown request... [2023-12-16 18:45:13,369 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 18:45:13,394 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:45:14,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-16 18:45:14,595 WARN L435 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)] Forcibly destroying the process [2023-12-16 18:45:14,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-16 18:45:14,736 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:45:14,736 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 137 [2023-12-16 18:45:14,738 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 9439 with TraceHistMax 1848,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [333668789] and IpTcStrategyModuleCvc4 [230370337]. [2023-12-16 18:45:14,741 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 18:45:14,743 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:45:14,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:45:14 BoogieIcfgContainer [2023-12-16 18:45:14,744 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:45:14,745 INFO L158 Benchmark]: Toolchain (without parser) took 79629.25ms. Allocated memory was 423.6MB in the beginning and 1.2GB in the end (delta: 818.9MB). Free memory was 363.1MB in the beginning and 831.8MB in the end (delta: -468.7MB). Peak memory consumption was 351.3MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,745 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 231.7MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:45:14,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.41ms. Allocated memory is still 423.6MB. Free memory was 362.8MB in the beginning and 342.8MB in the end (delta: 20.0MB). Peak memory consumption was 35.8MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.42ms. Allocated memory is still 423.6MB. Free memory was 342.8MB in the beginning and 325.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,746 INFO L158 Benchmark]: Boogie Preprocessor took 124.22ms. Allocated memory is still 423.6MB. Free memory was 325.7MB in the beginning and 313.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,746 INFO L158 Benchmark]: RCFGBuilder took 1533.13ms. Allocated memory was 423.6MB in the beginning and 597.7MB in the end (delta: 174.1MB). Free memory was 313.1MB in the beginning and 457.3MB in the end (delta: -144.1MB). Peak memory consumption was 91.9MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,747 INFO L158 Benchmark]: TraceAbstraction took 77386.77ms. Allocated memory was 597.7MB in the beginning and 1.2GB in the end (delta: 644.9MB). Free memory was 456.7MB in the beginning and 831.8MB in the end (delta: -375.0MB). Peak memory consumption was 270.4MB. Max. memory is 8.0GB. [2023-12-16 18:45:14,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 231.7MB. Free memory is still 179.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.41ms. Allocated memory is still 423.6MB. Free memory was 362.8MB in the beginning and 342.8MB in the end (delta: 20.0MB). Peak memory consumption was 35.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.42ms. Allocated memory is still 423.6MB. Free memory was 342.8MB in the beginning and 325.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 124.22ms. Allocated memory is still 423.6MB. Free memory was 325.7MB in the beginning and 313.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1533.13ms. Allocated memory was 423.6MB in the beginning and 597.7MB in the end (delta: 174.1MB). Free memory was 313.1MB in the beginning and 457.3MB in the end (delta: -144.1MB). Peak memory consumption was 91.9MB. Max. memory is 8.0GB. * TraceAbstraction took 77386.77ms. Allocated memory was 597.7MB in the beginning and 1.2GB in the end (delta: 644.9MB). Free memory was 456.7MB in the beginning and 831.8MB in the end (delta: -375.0MB). Peak memory consumption was 270.4MB. 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: 2266]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2266). Cancelled while NwaCegarLoop was analyzing trace of length 9439 with TraceHistMax 1848,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [333668789] and IpTcStrategyModuleCvc4 [230370337]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 2052 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.3s, OverallIterations: 2, TraceHistogramMax: 1848, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3896 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3896 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9437 GetRequests, 9437 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2052occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 9438 NumberOfCodeBlocks, 9438 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9437 ConstructedInterpolants, 0 QuantifiedInterpolants, 9437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 13146 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6826512/6826512 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