/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/hardness-nfm22/hardness_operatoramount_amount500_file-5.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 15:02:06,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 15:02:06,533 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 15:02:06,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 15:02:06,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 15:02:06,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 15:02:06,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 15:02:06,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 15:02:06,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 15:02:06,563 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 15:02:06,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 15:02:06,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 15:02:06,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 15:02:06,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 15:02:06,566 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 15:02:06,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 15:02:06,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 15:02:06,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 15:02:06,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 15:02:06,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 15:02:06,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 15:02:06,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 15:02:06,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 15:02:06,567 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 15:02:06,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 15:02:06,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 15:02:06,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 15:02:06,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 15:02:06,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 15:02:06,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:02:06,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 15:02:06,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 15:02:06,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 15:02:06,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 15:02:06,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 15:02:06,571 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 15:02:06,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 15:02:06,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 15:02:06,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 15:02:06,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 15:02:06,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 15:02:06,790 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 15:02:06,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-5.i [2023-12-16 15:02:07,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 15:02:08,160 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 15:02:08,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-5.i [2023-12-16 15:02:08,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49a551bf3/19ba2f8d31cf40daa9000d4db7e32cbf/FLAG6caec702e [2023-12-16 15:02:08,189 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49a551bf3/19ba2f8d31cf40daa9000d4db7e32cbf [2023-12-16 15:02:08,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 15:02:08,192 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 15:02:08,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 15:02:08,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 15:02:08,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 15:02:08,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1453c212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08, skipping insertion in model container [2023-12-16 15:02:08,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 15:02:08,389 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-5.i[915,928] [2023-12-16 15:02:08,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:02:08,626 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 15:02:08,637 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount500_file-5.i[915,928] [2023-12-16 15:02:08,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:02:08,796 INFO L206 MainTranslator]: Completed translation [2023-12-16 15:02:08,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08 WrapperNode [2023-12-16 15:02:08,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 15:02:08,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 15:02:08,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 15:02:08,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 15:02:08,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,867 INFO L138 Inliner]: procedures = 27, calls = 102, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 633 [2023-12-16 15:02:08,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 15:02:08,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 15:02:08,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 15:02:08,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 15:02:08,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,935 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 15:02:08,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:08,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:09,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 15:02:09,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 15:02:09,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 15:02:09,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 15:02:09,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (1/1) ... [2023-12-16 15:02:09,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:02:09,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 15:02:09,028 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 15:02:09,042 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 15:02:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 15:02:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 15:02:09,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 15:02:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 15:02:09,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 15:02:09,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 15:02:09,210 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 15:02:09,213 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 15:02:50,364 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 15:02:50,429 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 15:02:50,429 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 15:02:50,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:02:50 BoogieIcfgContainer [2023-12-16 15:02:50,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 15:02:50,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 15:02:50,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 15:02:50,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 15:02:50,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:02:08" (1/3) ... [2023-12-16 15:02:50,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57570c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:02:50, skipping insertion in model container [2023-12-16 15:02:50,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:02:08" (2/3) ... [2023-12-16 15:02:50,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57570c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:02:50, skipping insertion in model container [2023-12-16 15:02:50,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:02:50" (3/3) ... [2023-12-16 15:02:50,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-5.i [2023-12-16 15:02:50,451 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 15:02:50,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 15:02:50,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 15:02:50,510 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;@5c7d7281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 15:02:50,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 15:02:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 263 states, 171 states have (on average 1.543859649122807) internal successors, (264), 172 states have internal predecessors, (264), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-12-16 15:02:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2023-12-16 15:02:50,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:02:50,546 INFO L195 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:02:50,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:02:50,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:02:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash -964193622, now seen corresponding path program 1 times [2023-12-16 15:02:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:02:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743178232] [2023-12-16 15:02:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:02:50,577 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 15:02:50,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:02:50,582 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 15:02:50,629 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 15:02:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:02:53,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 15:02:53,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:02:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 7916 proven. 0 refuted. 0 times theorem prover too weak. 7748 trivial. 0 not checked. [2023-12-16 15:02:54,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:02:54,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:02:54,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743178232] [2023-12-16 15:02:54,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743178232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:02:54,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:02:54,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 15:02:54,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252726720] [2023-12-16 15:02:54,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:02:54,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 15:02:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:02:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 15:02:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 15:02:54,115 INFO L87 Difference]: Start difference. First operand has 263 states, 171 states have (on average 1.543859649122807) internal successors, (264), 172 states have internal predecessors, (264), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2023-12-16 15:03:00,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 15:03:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:03:00,304 INFO L93 Difference]: Finished difference Result 523 states and 971 transitions. [2023-12-16 15:03:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 15:03:01,054 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) Word has length 569 [2023-12-16 15:03:01,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:03:01,061 INFO L225 Difference]: With dead ends: 523 [2023-12-16 15:03:01,062 INFO L226 Difference]: Without dead ends: 261 [2023-12-16 15:03:01,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 568 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 15:03:01,068 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-12-16 15:03:01,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 431 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2023-12-16 15:03:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-12-16 15:03:01,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2023-12-16 15:03:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 170 states have (on average 1.5058823529411764) internal successors, (256), 170 states have internal predecessors, (256), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-12-16 15:03:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 434 transitions. [2023-12-16 15:03:01,121 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 434 transitions. Word has length 569 [2023-12-16 15:03:01,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:03:01,122 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 434 transitions. [2023-12-16 15:03:01,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.5) internal successors, (131), 2 states have internal predecessors, (131), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 2 states have call predecessors, (89), 2 states have call successors, (89) [2023-12-16 15:03:01,122 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 434 transitions. [2023-12-16 15:03:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2023-12-16 15:03:01,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:03:01,132 INFO L195 NwaCegarLoop]: trace histogram [89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:01,206 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 15:03:01,348 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 15:03:01,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:03:01,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:03:01,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1478522940, now seen corresponding path program 1 times [2023-12-16 15:03:01,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:03:01,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092965318] [2023-12-16 15:03:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:03:01,353 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 15:03:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:03:01,369 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 15:03:01,406 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 15:03:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:03:05,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 15:03:05,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:03:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 7614 proven. 105 refuted. 0 times theorem prover too weak. 7945 trivial. 0 not checked. [2023-12-16 15:03:16,013 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:03:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 15664 backedges. 159 proven. 105 refuted. 0 times theorem prover too weak. 15400 trivial. 0 not checked. [2023-12-16 15:03:21,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:03:21,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092965318] [2023-12-16 15:03:21,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092965318] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 15:03:21,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 15:03:21,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-16 15:03:21,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655457672] [2023-12-16 15:03:21,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 15:03:21,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 15:03:21,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:03:21,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 15:03:21,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 15:03:21,062 INFO L87 Difference]: Start difference. First operand 261 states and 434 transitions. Second operand has 8 states, 8 states have (on average 17.125) internal successors, (137), 8 states have internal predecessors, (137), 2 states have call successors, (124), 2 states have call predecessors, (124), 4 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Received shutdown request... [2023-12-16 15:03:25,398 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 15:03:25,417 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 15:03:25,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 15:03:25,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1142 GetRequests, 1131 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-12-16 15:03:25,427 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 38 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-12-16 15:03:25,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 71 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-12-16 15:03:25,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 15:03:25,503 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 15:03:25,644 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 15:03:25,645 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (261states) and FLOYD_HOARE automaton (currently 6 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (47 states constructed, input type IntersectNwa). [2023-12-16 15:03:25,648 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 15:03:25,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 15:03:25,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:03:25 BoogieIcfgContainer [2023-12-16 15:03:25,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 15:03:25,652 INFO L158 Benchmark]: Toolchain (without parser) took 77459.71ms. Allocated memory is still 245.4MB. Free memory was 194.2MB in the beginning and 99.1MB in the end (delta: 95.0MB). Peak memory consumption was 96.1MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,652 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 188.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 15:03:25,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.75ms. Allocated memory is still 245.4MB. Free memory was 193.7MB in the beginning and 158.5MB in the end (delta: 35.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.69ms. Allocated memory is still 245.4MB. Free memory was 158.0MB in the beginning and 151.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,653 INFO L158 Benchmark]: Boogie Preprocessor took 133.07ms. Allocated memory is still 245.4MB. Free memory was 151.2MB in the beginning and 130.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,653 INFO L158 Benchmark]: RCFGBuilder took 41427.66ms. Allocated memory is still 245.4MB. Free memory was 130.7MB in the beginning and 120.3MB in the end (delta: 10.4MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,653 INFO L158 Benchmark]: TraceAbstraction took 35219.77ms. Allocated memory is still 245.4MB. Free memory was 119.8MB in the beginning and 99.1MB in the end (delta: 20.6MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. [2023-12-16 15:03:25,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 188.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 603.75ms. Allocated memory is still 245.4MB. Free memory was 193.7MB in the beginning and 158.5MB in the end (delta: 35.1MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.69ms. Allocated memory is still 245.4MB. Free memory was 158.0MB in the beginning and 151.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 133.07ms. Allocated memory is still 245.4MB. Free memory was 151.2MB in the beginning and 130.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * RCFGBuilder took 41427.66ms. Allocated memory is still 245.4MB. Free memory was 130.7MB in the beginning and 120.3MB in the end (delta: 10.4MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * TraceAbstraction took 35219.77ms. Allocated memory is still 245.4MB. Free memory was 119.8MB in the beginning and 99.1MB in the end (delta: 20.6MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was constructing difference of abstraction (261states) and FLOYD_HOARE automaton (currently 6 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (47 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 263 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.2s, OverallIterations: 2, TraceHistogramMax: 89, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 502 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 472 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1710 GetRequests, 1699 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred 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, 6.5s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 1139 NumberOfCodeBlocks, 1139 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 2581 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1887 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 46782/46992 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