/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_floatingpointinfluence_has-floats_file-46.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 18:45:47,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 18:45:47,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 18:45:47,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 18:45:47,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 18:45:47,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 18:45:47,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 18:45:47,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 18:45:47,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 18:45:47,329 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 18:45:47,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 18:45:47,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 18:45:47,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 18:45:47,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 18:45:47,331 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 18:45:47,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 18:45:47,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 18:45:47,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 18:45:47,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 18:45:47,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 18:45:47,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 18:45:47,333 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 18:45:47,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 18:45:47,334 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 18:45:47,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 18:45:47,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 18:45:47,335 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 18:45:47,336 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 18:45:47,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 18:45:47,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 18:45:47,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 18:45:47,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 18:45:47,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 18:45:47,558 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 18:45:47,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2023-12-23 18:45:48,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 18:45:48,848 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 18:45:48,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2023-12-23 18:45:48,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95fa63ec/34bc6d08b83b441bb2877418c5a6f6d7/FLAG677572e2f [2023-12-23 18:45:48,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b95fa63ec/34bc6d08b83b441bb2877418c5a6f6d7 [2023-12-23 18:45:48,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 18:45:48,874 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 18:45:48,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 18:45:48,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 18:45:48,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 18:45:48,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:45:48" (1/1) ... [2023-12-23 18:45:48,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77492763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:48, skipping insertion in model container [2023-12-23 18:45:48,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:45:48" (1/1) ... [2023-12-23 18:45:48,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 18:45:49,033 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_floatingpointinfluence_has-floats_file-46.i[917,930] [2023-12-23 18:45:49,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 18:45:49,146 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 18:45:49,159 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_floatingpointinfluence_has-floats_file-46.i[917,930] [2023-12-23 18:45:49,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 18:45:49,208 INFO L206 MainTranslator]: Completed translation [2023-12-23 18:45:49,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49 WrapperNode [2023-12-23 18:45:49,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 18:45:49,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 18:45:49,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 18:45:49,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 18:45:49,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,277 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-12-23 18:45:49,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 18:45:49,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 18:45:49,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 18:45:49,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 18:45:49,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,319 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]. [2023-12-23 18:45:49,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 18:45:49,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 18:45:49,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 18:45:49,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 18:45:49,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (1/1) ... [2023-12-23 18:45:49,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 18:45:49,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 18:45:49,376 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) [2023-12-23 18:45:49,395 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 [2023-12-23 18:45:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 18:45:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 18:45:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 18:45:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 18:45:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 18:45:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 18:45:49,453 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 18:45:49,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 18:45:49,656 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 18:45:49,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 18:45:49,690 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 18:45:49,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:45:49 BoogieIcfgContainer [2023-12-23 18:45:49,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 18:45:49,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 18:45:49,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 18:45:49,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 18:45:49,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:45:48" (1/3) ... [2023-12-23 18:45:49,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c29b8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:45:49, skipping insertion in model container [2023-12-23 18:45:49,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:45:49" (2/3) ... [2023-12-23 18:45:49,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c29b8af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:45:49, skipping insertion in model container [2023-12-23 18:45:49,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:45:49" (3/3) ... [2023-12-23 18:45:49,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-46.i [2023-12-23 18:45:49,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 18:45:49,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 18:45:49,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 18:45:49,740 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;@32df73ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 18:45:49,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 18:45:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-23 18:45:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-23 18:45:49,749 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 18:45:49,750 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 18:45:49,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 18:45:49,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 18:45:49,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1384465527, now seen corresponding path program 1 times [2023-12-23 18:45:49,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 18:45:49,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809889039] [2023-12-23 18:45:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 18:45:49,763 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 [2023-12-23 18:45:49,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 18:45:49,766 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) [2023-12-23 18:45:49,787 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 [2023-12-23 18:45:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 18:45:49,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 18:45:49,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 18:45:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-23 18:45:50,250 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 18:45:50,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 18:45:50,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809889039] [2023-12-23 18:45:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809889039] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 18:45:50,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 18:45:50,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 18:45:50,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153853025] [2023-12-23 18:45:50,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 18:45:50,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 18:45:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 18:45:50,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 18:45:50,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-23 18:45:50,283 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-23 18:45:50,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 18:45:50,577 INFO L93 Difference]: Finished difference Result 139 states and 247 transitions. [2023-12-23 18:45:50,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 18:45:50,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 88 [2023-12-23 18:45:50,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 18:45:50,585 INFO L225 Difference]: With dead ends: 139 [2023-12-23 18:45:50,585 INFO L226 Difference]: Without dead ends: 96 [2023-12-23 18:45:50,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-23 18:45:50,590 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 34 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 18:45:50,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 177 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 18:45:50,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-23 18:45:50,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2023-12-23 18:45:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 59 states have internal predecessors, (77), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-23 18:45:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 135 transitions. [2023-12-23 18:45:50,627 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 135 transitions. Word has length 88 [2023-12-23 18:45:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 18:45:50,627 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 135 transitions. [2023-12-23 18:45:50,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-23 18:45:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2023-12-23 18:45:50,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-23 18:45:50,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 18:45:50,630 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 18:45:50,636 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 [2023-12-23 18:45:50,835 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 [2023-12-23 18:45:50,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 18:45:50,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 18:45:50,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1384525109, now seen corresponding path program 1 times [2023-12-23 18:45:50,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 18:45:50,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679428208] [2023-12-23 18:45:50,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 18:45:50,838 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 [2023-12-23 18:45:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 18:45:50,840 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) [2023-12-23 18:45:50,852 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 [2023-12-23 18:45:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 18:45:50,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-23 18:45:50,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 18:49:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 196 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-23 18:49:37,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 18:59:47,472 WARN L293 SmtUtils]: Spent 19.40s on a formula simplification. DAG size of input: 190 DAG size of output: 189 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 19:00:17,562 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ sign_extend 24) c_~var_1_13~0)) (.cse26 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse36 (bvadd (bvor .cse7 .cse7) .cse26))) (or (let ((.cse25 ((_ sign_extend 16) c_~var_1_12~0))) (let ((.cse35 ((_ zero_extend 24) c_~var_1_1~0)) (.cse13 (bvslt .cse26 .cse7)) (.cse11 (= (_ bv128 32) ((_ sign_extend 16) ((_ extract 15 0) (bvadd .cse25 (_ bv4294967040 32)))))) (.cse33 (not (= (_ bv1 32) .cse26)))) (let ((.cse21 (or .cse33 (= ((_ zero_extend 24) c_~var_1_9~0) ((_ zero_extend 24) c_~var_1_8~0)))) (.cse10 (not .cse11)) (.cse14 (not .cse13)) (.cse15 (forall ((~var_1_7~0 (_ BitVec 8))) (not (= ((_ zero_extend 24) ~var_1_7~0) .cse35)))) (.cse24 (bvslt .cse36 .cse7)) (.cse20 (= .cse35 (_ bv1 32))) (.cse16 (forall ((~var_1_7~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_7~0) .cse35)))) (let ((.cse3 (fp.geq (fp.neg c_~var_1_2~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0)))) (.cse5 (let ((.cse27 (bvsge (bvsdiv .cse7 .cse26) .cse7))) (let ((.cse32 (bvsgt .cse26 (_ bv4294967264 32))) (.cse30 (or .cse27 .cse16)) (.cse31 (not .cse20)) (.cse28 (= .cse35 (_ bv0 32))) (.cse29 (bvsgt .cse7 (_ bv4294967264 32)))) (and (or (and (or (and (or .cse15 (and .cse27 .cse21 .cse28 .cse29)) (or (and .cse21 .cse28 .cse29) .cse16) .cse30 .cse31) .cse13) (or (and (or (and .cse32 .cse21 .cse28) .cse16) .cse30 (or .cse15 (and .cse27 .cse32 .cse21 .cse28)) .cse31) .cse14)) .cse10) (or (and (or .cse14 (and (or .cse15 (and .cse27 .cse32 .cse33 .cse28)) (or (and .cse32 .cse33 .cse28) .cse16) .cse30 .cse31)) (or (let ((.cse34 (and .cse24 .cse28 .cse29))) (and (or .cse15 .cse34) (or .cse34 .cse16) .cse30 .cse31)) .cse13)) .cse11))))) (.cse17 (bvsle ((_ sign_extend 16) c_~last_1_var_1_10~0) (bvsdiv .cse25 .cse26))) (.cse2 (and (or .cse10 (let ((.cse18 (let ((.cse19 (and .cse20 .cse21))) (and (or .cse19 .cse16) (or .cse15 .cse19))))) (and (or .cse18 .cse14) (or .cse18 .cse13)))) (or (let ((.cse22 (let ((.cse23 (and .cse24 .cse20))) (and (or .cse16 .cse23) (or .cse15 .cse23))))) (and (or .cse22 .cse14) (or .cse22 .cse13))) .cse11)))) (let ((.cse0 (or .cse17 .cse2)) (.cse6 (or .cse5 .cse17)) (.cse4 (not .cse3)) (.cse1 (not .cse17))) (and (or (and (or (and .cse0 (or .cse1 .cse2)) .cse3) (or .cse4 (and (or .cse5 .cse1) .cse6))) (forall ((~var_1_16~0 (_ BitVec 8))) (not (= .cse7 ((_ sign_extend 24) ~var_1_16~0))))) (or (let ((.cse8 (or .cse1 (let ((.cse9 (let ((.cse12 (and .cse15 .cse16))) (and (or .cse12 .cse13) (or .cse12 .cse14))))) (and (or .cse9 .cse10) (or .cse9 .cse11)))))) (and (or (and .cse0 .cse8) .cse3) (or (and .cse8 .cse6) .cse4))) (forall ((~var_1_16~0 (_ BitVec 8))) (= .cse7 ((_ sign_extend 24) ~var_1_16~0)))))))))) (not (bvslt .cse36 ((_ sign_extend 24) |c_ULTIMATE.start_step_~stepLocal_2~0#1|)))))) is different from false Received shutdown request... [2023-12-23 19:00:26,264 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 [2023-12-23 19:00:26,265 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 [2023-12-23 19:00:26,287 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 19:00:26,313 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 [2023-12-23 19:00:26,495 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 [2023-12-23 19:00:26,496 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 89 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-2-2-1 context. [2023-12-23 19:00:26,500 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-23 19:00:26,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 19:00:26,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 07:00:26 BoogieIcfgContainer [2023-12-23 19:00:26,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 19:00:26,506 INFO L158 Benchmark]: Toolchain (without parser) took 877631.66ms. Allocated memory was 405.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 350.9MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-23 19:00:26,506 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 212.9MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 19:00:26,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.69ms. Allocated memory is still 405.8MB. Free memory was 350.6MB in the beginning and 337.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-23 19:00:26,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.44ms. Allocated memory is still 405.8MB. Free memory was 337.6MB in the beginning and 335.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 19:00:26,507 INFO L158 Benchmark]: Boogie Preprocessor took 66.78ms. Allocated memory is still 405.8MB. Free memory was 335.5MB in the beginning and 333.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 19:00:26,507 INFO L158 Benchmark]: RCFGBuilder took 344.93ms. Allocated memory is still 405.8MB. Free memory was 332.7MB in the beginning and 313.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-23 19:00:26,508 INFO L158 Benchmark]: TraceAbstraction took 876813.45ms. Allocated memory was 405.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 312.8MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-23 19:00:26,509 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 212.9MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 332.69ms. Allocated memory is still 405.8MB. Free memory was 350.6MB in the beginning and 337.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.44ms. Allocated memory is still 405.8MB. Free memory was 337.6MB in the beginning and 335.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.78ms. Allocated memory is still 405.8MB. Free memory was 335.5MB in the beginning and 333.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 344.93ms. Allocated memory is still 405.8MB. Free memory was 332.7MB in the beginning and 313.5MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 876813.45ms. Allocated memory was 405.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 312.8MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 89 with TraceHistMax 14,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 876.8s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 53 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 SizeOfPredicates, 3 NumberOfNonLiveVariables, 150 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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