/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/Dubois-018.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 12:03:00,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 12:03:00,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 12:03:00,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 12:03:00,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 12:03:00,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 12:03:00,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 12:03:00,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 12:03:00,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 12:03:00,355 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 12:03:00,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 12:03:00,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 12:03:00,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 12:03:00,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 12:03:00,357 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 12:03:00,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 12:03:00,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 12:03:00,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 12:03:00,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 12:03:00,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 12:03:00,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 12:03:00,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 12:03:00,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 12:03:00,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 12:03:00,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:03:00,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 12:03:00,362 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 12:03:00,363 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 12:03:00,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 12:03:00,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 12:03:00,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 12:03:00,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 12:03:00,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 12:03:00,588 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 12:03:00,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Dubois-018.c [2023-12-25 12:03:01,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 12:03:02,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 12:03:02,077 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Dubois-018.c [2023-12-25 12:03:02,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be1bee5d/693109087349453ba5d00fa74ee106af/FLAG32a6afcad [2023-12-25 12:03:02,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3be1bee5d/693109087349453ba5d00fa74ee106af [2023-12-25 12:03:02,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 12:03:02,097 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 12:03:02,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 12:03:02,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 12:03:02,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 12:03:02,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65382f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02, skipping insertion in model container [2023-12-25 12:03:02,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 12:03:02,310 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/Dubois-018.c[13032,13045] [2023-12-25 12:03:02,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:03:02,328 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 12:03:02,375 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/Dubois-018.c[13032,13045] [2023-12-25 12:03:02,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 12:03:02,387 INFO L206 MainTranslator]: Completed translation [2023-12-25 12:03:02,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02 WrapperNode [2023-12-25 12:03:02,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 12:03:02,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 12:03:02,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 12:03:02,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 12:03:02,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,430 INFO L138 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 376 [2023-12-25 12:03:02,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 12:03:02,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 12:03:02,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 12:03:02,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 12:03:02,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,467 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]. [2023-12-25 12:03:02,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 12:03:02,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 12:03:02,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 12:03:02,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 12:03:02,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (1/1) ... [2023-12-25 12:03:02,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 12:03:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 12:03:02,541 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) [2023-12-25 12:03:02,566 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 [2023-12-25 12:03:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 12:03:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 12:03:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 12:03:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 12:03:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-25 12:03:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-25 12:03:02,646 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 12:03:02,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 12:03:02,970 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 12:03:03,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 12:03:03,014 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 12:03:03,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:03:03 BoogieIcfgContainer [2023-12-25 12:03:03,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 12:03:03,016 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 12:03:03,016 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 12:03:03,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 12:03:03,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 12:03:02" (1/3) ... [2023-12-25 12:03:03,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d99770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:03:03, skipping insertion in model container [2023-12-25 12:03:03,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 12:03:02" (2/3) ... [2023-12-25 12:03:03,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d99770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 12:03:03, skipping insertion in model container [2023-12-25 12:03:03,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 12:03:03" (3/3) ... [2023-12-25 12:03:03,023 INFO L112 eAbstractionObserver]: Analyzing ICFG Dubois-018.c [2023-12-25 12:03:03,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 12:03:03,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 12:03:03,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 12:03:03,094 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;@1892e9ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 12:03:03,095 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 12:03:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-12-25 12:03:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2023-12-25 12:03:03,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:03:03,143 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 12:03:03,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:03:03,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:03:03,147 INFO L85 PathProgramCache]: Analyzing trace with hash 786434041, now seen corresponding path program 1 times [2023-12-25 12:03:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:03:03,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775980692] [2023-12-25 12:03:03,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:03:03,160 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 [2023-12-25 12:03:03,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:03:03,162 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) [2023-12-25 12:03:03,176 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 [2023-12-25 12:03:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 12:03:03,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 12:03:03,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 12:03:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 41184 backedges. 19774 proven. 0 refuted. 0 times theorem prover too weak. 21410 trivial. 0 not checked. [2023-12-25 12:03:03,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 12:03:03,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 12:03:03,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775980692] [2023-12-25 12:03:03,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775980692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 12:03:03,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 12:03:03,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 12:03:03,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824592789] [2023-12-25 12:03:03,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 12:03:03,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 12:03:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 12:03:03,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 12:03:03,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:03:03,712 INFO L87 Difference]: Start difference. First operand has 206 states, 59 states have (on average 1.0338983050847457) internal successors, (61), 60 states have internal predecessors, (61), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 2 states have call predecessors, (144), 2 states have call successors, (144) [2023-12-25 12:03:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 12:03:03,782 INFO L93 Difference]: Finished difference Result 409 states and 839 transitions. [2023-12-25 12:03:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 12:03:03,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 2 states have call predecessors, (144), 2 states have call successors, (144) Word has length 776 [2023-12-25 12:03:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 12:03:03,808 INFO L225 Difference]: With dead ends: 409 [2023-12-25 12:03:03,808 INFO L226 Difference]: Without dead ends: 205 [2023-12-25 12:03:03,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 775 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 12:03:03,816 INFO L413 NwaCegarLoop]: 346 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, 346 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 [2023-12-25 12:03:03,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 12:03:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-25 12:03:03,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2023-12-25 12:03:03,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 59 states have (on average 1.0) internal successors, (59), 59 states have internal predecessors, (59), 144 states have call successors, (144), 1 states have call predecessors, (144), 1 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-12-25 12:03:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 347 transitions. [2023-12-25 12:03:03,871 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 347 transitions. Word has length 776 [2023-12-25 12:03:03,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 12:03:03,872 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 347 transitions. [2023-12-25 12:03:03,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 2 states have call predecessors, (144), 2 states have call successors, (144) [2023-12-25 12:03:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 347 transitions. [2023-12-25 12:03:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2023-12-25 12:03:03,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 12:03:03,892 INFO L195 NwaCegarLoop]: trace histogram [144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 12:03:03,914 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 0 [2023-12-25 12:03:04,100 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 [2023-12-25 12:03:04,101 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 12:03:04,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 12:03:04,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1920039289, now seen corresponding path program 1 times [2023-12-25 12:03:04,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 12:03:04,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120499062] [2023-12-25 12:03:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 12:03:04,103 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 [2023-12-25 12:03:04,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 12:03:04,104 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) [2023-12-25 12:03:04,107 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 [2023-12-25 12:03:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 12:03:33,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 276 conjunts are in the unsatisfiable core [2023-12-25 12:03:33,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 12:05:50,052 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 167 DAG size of output: 162 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-25 12:07:27,632 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-25 12:10:41,173 WARN L293 SmtUtils]: Spent 23.91s on a formula simplification. DAG size of input: 196 DAG size of output: 194 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-25 12:17:36,075 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 [2023-12-25 12:17:36,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 12:17:36,085 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 [2023-12-25 12:17:36,152 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 [2023-12-25 12:17:36,292 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 [2023-12-25 12:17:36,296 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 777 with TraceHistMax 144,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. [2023-12-25 12:17:36,314 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-25 12:17:36,317 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 12:17:36,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 12:17:36 BoogieIcfgContainer [2023-12-25 12:17:36,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 12:17:36,319 INFO L158 Benchmark]: Toolchain (without parser) took 874221.98ms. Allocated memory was 264.2MB in the beginning and 952.1MB in the end (delta: 687.9MB). Free memory was 210.5MB in the beginning and 541.4MB in the end (delta: -330.9MB). Peak memory consumption was 563.7MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,319 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 208.7MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 12:17:36,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.88ms. Allocated memory is still 264.2MB. Free memory was 210.2MB in the beginning and 187.0MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.51ms. Allocated memory is still 264.2MB. Free memory was 186.7MB in the beginning and 181.9MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,320 INFO L158 Benchmark]: Boogie Preprocessor took 71.68ms. Allocated memory is still 264.2MB. Free memory was 181.9MB in the beginning and 228.3MB in the end (delta: -46.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,320 INFO L158 Benchmark]: RCFGBuilder took 511.10ms. Allocated memory is still 264.2MB. Free memory was 228.3MB in the beginning and 183.8MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,321 INFO L158 Benchmark]: TraceAbstraction took 873302.69ms. Allocated memory was 264.2MB in the beginning and 952.1MB in the end (delta: 687.9MB). Free memory was 183.2MB in the beginning and 541.4MB in the end (delta: -358.1MB). Peak memory consumption was 536.1MB. Max. memory is 8.0GB. [2023-12-25 12:17:36,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 208.7MB. Free memory is still 160.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 289.88ms. Allocated memory is still 264.2MB. Free memory was 210.2MB in the beginning and 187.0MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.51ms. Allocated memory is still 264.2MB. Free memory was 186.7MB in the beginning and 181.9MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.68ms. Allocated memory is still 264.2MB. Free memory was 181.9MB in the beginning and 228.3MB in the end (delta: -46.4MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * RCFGBuilder took 511.10ms. Allocated memory is still 264.2MB. Free memory was 228.3MB in the beginning and 183.8MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 873302.69ms. Allocated memory was 264.2MB in the beginning and 952.1MB in the end (delta: 687.9MB). Free memory was 183.2MB in the beginning and 541.4MB in the end (delta: -358.1MB). Peak memory consumption was 536.1MB. 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: 386]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 386). Cancelled while NwaCegarLoop was analyzing trace of length 777 with TraceHistMax 144,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 873.2s, OverallIterations: 2, TraceHistogramMax: 144, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 346 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, 346 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 775 ConstructedInterpolants, 0 QuantifiedInterpolants, 775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 41184/41184 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