/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_amount250_file-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 14:41:10,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 14:41:10,862 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 14:41:10,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 14:41:10,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 14:41:10,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 14:41:10,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 14:41:10,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 14:41:10,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 14:41:10,883 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 14:41:10,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 14:41:10,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 14:41:10,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 14:41:10,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 14:41:10,890 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 14:41:10,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 14:41:10,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 14:41:10,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 14:41:10,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 14:41:10,893 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 14:41:10,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 14:41:10,895 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 14:41:10,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 14:41:10,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 14:41:10,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 14:41:10,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 14:41:10,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 14:41:10,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 14:41:10,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 14:41:10,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:41:10,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 14:41:10,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 14:41:10,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 14:41:10,898 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 14:41:10,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 14:41:11,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 14:41:11,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 14:41:11,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 14:41:11,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 14:41:11,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 14:41:11,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i [2023-12-16 14:41:12,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 14:41:12,358 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 14:41:12,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i [2023-12-16 14:41:12,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5db8b9d/8bd564cfb01246f48069d6c03c9d5ff8/FLAG40c276baa [2023-12-16 14:41:12,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5db8b9d/8bd564cfb01246f48069d6c03c9d5ff8 [2023-12-16 14:41:12,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 14:41:12,380 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 14:41:12,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 14:41:12,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 14:41:12,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 14:41:12,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0871db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12, skipping insertion in model container [2023-12-16 14:41:12,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 14:41:12,532 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_amount250_file-3.i[915,928] [2023-12-16 14:41:12,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:41:12,668 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 14:41:12,684 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_amount250_file-3.i[915,928] [2023-12-16 14:41:12,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:41:12,787 INFO L206 MainTranslator]: Completed translation [2023-12-16 14:41:12,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12 WrapperNode [2023-12-16 14:41:12,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 14:41:12,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 14:41:12,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 14:41:12,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 14:41:12,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,854 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 364 [2023-12-16 14:41:12,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 14:41:12,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 14:41:12,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 14:41:12,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 14:41:12,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,879 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 14:41:12,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 14:41:12,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 14:41:12,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 14:41:12,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 14:41:12,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (1/1) ... [2023-12-16 14:41:12,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:41:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 14:41:12,981 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 14:41:12,986 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 14:41:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 14:41:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 14:41:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 14:41:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 14:41:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 14:41:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 14:41:13,121 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 14:41:13,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 14:41:44,724 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 14:41:44,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 14:41:44,781 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 14:41:44,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:41:44 BoogieIcfgContainer [2023-12-16 14:41:44,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 14:41:44,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 14:41:44,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 14:41:44,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 14:41:44,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:41:12" (1/3) ... [2023-12-16 14:41:44,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473e81e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:41:44, skipping insertion in model container [2023-12-16 14:41:44,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:41:12" (2/3) ... [2023-12-16 14:41:44,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473e81e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:41:44, skipping insertion in model container [2023-12-16 14:41:44,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:41:44" (3/3) ... [2023-12-16 14:41:44,790 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-3.i [2023-12-16 14:41:44,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 14:41:44,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 14:41:44,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 14:41:44,853 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;@5643aa3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 14:41:44,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 14:41:44,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 99 states have (on average 1.494949494949495) internal successors, (148), 100 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-16 14:41:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-16 14:41:44,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:41:44,877 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:44,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:41:44,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:41:44,883 INFO L85 PathProgramCache]: Analyzing trace with hash -215463591, now seen corresponding path program 1 times [2023-12-16 14:41:44,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:41:44,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976466188] [2023-12-16 14:41:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:41:44,897 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 14:41:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:41:44,899 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 14:41:44,930 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 14:41:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:41:47,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 14:41:47,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:41:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2774 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-12-16 14:41:47,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:41:47,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:41:47,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976466188] [2023-12-16 14:41:47,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976466188] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:41:47,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:41:47,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 14:41:47,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957622867] [2023-12-16 14:41:47,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:41:47,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 14:41:47,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:41:47,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 14:41:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:41:47,573 INFO L87 Difference]: Start difference. First operand has 158 states, 99 states have (on average 1.494949494949495) internal successors, (148), 100 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-16 14:41:53,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:41:53,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:41:53,152 INFO L93 Difference]: Finished difference Result 313 states and 574 transitions. [2023-12-16 14:41:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 14:41:53,620 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 353 [2023-12-16 14:41:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:41:53,626 INFO L225 Difference]: With dead ends: 313 [2023-12-16 14:41:53,626 INFO L226 Difference]: Without dead ends: 156 [2023-12-16 14:41:53,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 352 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 14:41:53,634 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-16 14:41:53,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-12-16 14:41:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-16 14:41:53,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-12-16 14:41:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 98 states have internal predecessors, (142), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-16 14:41:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 254 transitions. [2023-12-16 14:41:53,684 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 254 transitions. Word has length 353 [2023-12-16 14:41:53,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:41:53,684 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 254 transitions. [2023-12-16 14:41:53,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-16 14:41:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 254 transitions. [2023-12-16 14:41:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-16 14:41:53,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:41:53,691 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:53,745 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 [2023-12-16 14:41:53,891 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 14:41:53,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:41:53,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:41:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1357102741, now seen corresponding path program 1 times [2023-12-16 14:41:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:41:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477599339] [2023-12-16 14:41:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:41:53,895 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 14:41:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:41:53,896 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 14:41:53,897 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 14:41:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:41:56,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 14:41:56,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:42:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3230 proven. 177 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2023-12-16 14:42:11,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:42:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 180 refuted. 0 times theorem prover too weak. 5833 trivial. 0 not checked. [2023-12-16 14:42:18,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:42:18,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477599339] [2023-12-16 14:42:18,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477599339] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 14:42:18,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 14:42:18,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-16 14:42:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643010752] [2023-12-16 14:42:18,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 14:42:18,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 14:42:18,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:42:18,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 14:42:18,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-16 14:42:18,602 INFO L87 Difference]: Start difference. First operand 156 states and 254 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 3 states have call successors, (87), 3 states have call predecessors, (87), 7 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2023-12-16 14:42:30,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-16 14:42:31,410 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 14:42:31,427 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 14:42:32,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:42:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 14:42:32,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 693 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-12-16 14:42:32,118 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 141 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-12-16 14:42:32,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 283 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-12-16 14:42:32,120 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 14:42:32,180 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 14:42:32,320 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 14:42:32,322 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (156states) and FLOYD_HOARE automaton (currently 16 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (134 states constructed, input type IntersectNwa). [2023-12-16 14:42:32,325 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 14:42:32,326 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 14:42:32,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:42:32 BoogieIcfgContainer [2023-12-16 14:42:32,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 14:42:32,329 INFO L158 Benchmark]: Toolchain (without parser) took 79948.05ms. Allocated memory was 187.7MB in the beginning and 345.0MB in the end (delta: 157.3MB). Free memory was 134.2MB in the beginning and 169.2MB in the end (delta: -35.0MB). Peak memory consumption was 123.6MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,329 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 187.7MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:42:32,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.63ms. Allocated memory is still 187.7MB. Free memory was 134.2MB in the beginning and 109.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.25ms. Allocated memory is still 187.7MB. Free memory was 109.3MB in the beginning and 104.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,330 INFO L158 Benchmark]: Boogie Preprocessor took 70.78ms. Allocated memory is still 187.7MB. Free memory was 104.5MB in the beginning and 95.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,330 INFO L158 Benchmark]: RCFGBuilder took 31855.44ms. Allocated memory was 187.7MB in the beginning and 345.0MB in the end (delta: 157.3MB). Free memory was 95.1MB in the beginning and 260.9MB in the end (delta: -165.8MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,330 INFO L158 Benchmark]: TraceAbstraction took 47543.35ms. Allocated memory is still 345.0MB. Free memory was 260.4MB in the beginning and 169.2MB in the end (delta: 91.2MB). Peak memory consumption was 91.8MB. Max. memory is 8.0GB. [2023-12-16 14:42:32,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 187.7MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.63ms. Allocated memory is still 187.7MB. Free memory was 134.2MB in the beginning and 109.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.25ms. Allocated memory is still 187.7MB. Free memory was 109.3MB in the beginning and 104.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.78ms. Allocated memory is still 187.7MB. Free memory was 104.5MB in the beginning and 95.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 31855.44ms. Allocated memory was 187.7MB in the beginning and 345.0MB in the end (delta: 157.3MB). Free memory was 95.1MB in the beginning and 260.9MB in the end (delta: -165.8MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * TraceAbstraction took 47543.35ms. Allocated memory is still 345.0MB. Free memory was 260.4MB in the beginning and 169.2MB in the end (delta: 91.2MB). Peak memory consumption was 91.8MB. 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 (156states) and FLOYD_HOARE automaton (currently 16 states, 14 states before enhancement),while ReachableStatesComputation was computing reachable states (134 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.5s, OverallIterations: 2, TraceHistogramMax: 56, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 534 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 438 IncrementalHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 170 mSolverCounterUnsat, 362 mSDtfsCounter, 438 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1070 GetRequests, 1045 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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, 4.5s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 706 NumberOfCodeBlocks, 706 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 3073 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1136 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 18123/18480 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