/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_fillercode_fillercodestructure_filler-pe-co_file-36.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 09:34:20,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 09:34:20,957 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 09:34:20,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 09:34:20,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 09:34:20,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 09:34:20,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 09:34:20,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 09:34:20,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 09:34:20,994 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 09:34:20,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 09:34:20,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 09:34:20,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 09:34:20,996 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 09:34:20,996 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 09:34:20,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 09:34:20,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 09:34:20,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 09:34:20,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 09:34:20,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 09:34:20,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 09:34:20,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 09:34:20,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 09:34:21,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 09:34:21,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 09:34:21,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 09:34:21,000 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 09:34:21,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 09:34:21,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 09:34:21,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 09:34:21,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 09:34:21,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 09:34:21,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 09:34:21,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 09:34:21,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:34:21,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 09:34:21,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 09:34:21,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 09:34:21,004 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 09:34:21,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 09:34:21,004 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 09:34:21,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 09:34:21,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 09:34:21,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 09:34:21,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 09:34:21,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 09:34:21,254 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 09:34:21,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-36.i [2023-12-23 09:34:22,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 09:34:22,618 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 09:34:22,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-36.i [2023-12-23 09:34:22,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2bc3d84f/bcfcc095eec24f0eaedcd96ec03fb426/FLAG5d16925a0 [2023-12-23 09:34:22,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2bc3d84f/bcfcc095eec24f0eaedcd96ec03fb426 [2023-12-23 09:34:22,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 09:34:22,650 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 09:34:22,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 09:34:22,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 09:34:22,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 09:34:22,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:34:22" (1/1) ... [2023-12-23 09:34:22,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef017ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:22, skipping insertion in model container [2023-12-23 09:34:22,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:34:22" (1/1) ... [2023-12-23 09:34:22,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 09:34:22,818 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_fillercode_fillercodestructure_filler-pe-co_file-36.i[919,932] [2023-12-23 09:34:22,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:34:22,912 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 09:34:22,921 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_fillercode_fillercodestructure_filler-pe-co_file-36.i[919,932] [2023-12-23 09:34:22,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:34:22,999 INFO L206 MainTranslator]: Completed translation [2023-12-23 09:34:23,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23 WrapperNode [2023-12-23 09:34:23,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 09:34:23,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 09:34:23,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 09:34:23,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 09:34:23,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,053 INFO L138 Inliner]: procedures = 27, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2023-12-23 09:34:23,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 09:34:23,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 09:34:23,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 09:34:23,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 09:34:23,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,082 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 09:34:23,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 09:34:23,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 09:34:23,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 09:34:23,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 09:34:23,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (1/1) ... [2023-12-23 09:34:23,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:34:23,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 09:34:23,197 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 09:34:23,223 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 09:34:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 09:34:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 09:34:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 09:34:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 09:34:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 09:34:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 09:34:23,310 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 09:34:23,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 09:34:38,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 09:34:38,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 09:34:38,798 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 09:34:38,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:34:38 BoogieIcfgContainer [2023-12-23 09:34:38,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 09:34:38,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 09:34:38,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 09:34:38,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 09:34:38,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:34:22" (1/3) ... [2023-12-23 09:34:38,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20dfaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:34:38, skipping insertion in model container [2023-12-23 09:34:38,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:34:23" (2/3) ... [2023-12-23 09:34:38,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20dfaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:34:38, skipping insertion in model container [2023-12-23 09:34:38,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:34:38" (3/3) ... [2023-12-23 09:34:38,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-36.i [2023-12-23 09:34:38,819 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 09:34:38,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 09:34:38,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 09:34:38,867 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;@74b67504, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 09:34:38,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 09:34:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-23 09:34:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-23 09:34:38,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:34:38,893 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:34:38,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:34:38,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:34:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1426759567, now seen corresponding path program 1 times [2023-12-23 09:34:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:34:38,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150270027] [2023-12-23 09:34:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:34:38,911 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 09:34:38,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:34:38,912 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 09:34:38,915 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 09:34:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:34:40,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 09:34:40,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:34:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1094 proven. 0 refuted. 0 times theorem prover too weak. 2690 trivial. 0 not checked. [2023-12-23 09:34:40,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 09:34:40,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:34:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150270027] [2023-12-23 09:34:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150270027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 09:34:40,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 09:34:40,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 09:34:40,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536988376] [2023-12-23 09:34:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 09:34:40,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 09:34:40,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:34:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 09:34:40,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 09:34:40,255 INFO L87 Difference]: Start difference. First operand has 109 states, 62 states have (on average 1.403225806451613) internal successors, (87), 63 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-23 09:34:45,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 09:34:45,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:34:45,084 INFO L93 Difference]: Finished difference Result 215 states and 392 transitions. [2023-12-23 09:34:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 09:34:45,339 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 270 [2023-12-23 09:34:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:34:45,345 INFO L225 Difference]: With dead ends: 215 [2023-12-23 09:34:45,345 INFO L226 Difference]: Without dead ends: 107 [2023-12-23 09:34:45,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 09:34:45,351 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-23 09:34:45,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-12-23 09:34:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-23 09:34:45,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-23 09:34:45,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-23 09:34:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 170 transitions. [2023-12-23 09:34:45,396 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 170 transitions. Word has length 270 [2023-12-23 09:34:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:34:45,397 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 170 transitions. [2023-12-23 09:34:45,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-23 09:34:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2023-12-23 09:34:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-12-23 09:34:45,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:34:45,404 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:34:45,432 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 09:34:45,610 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 09:34:45,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:34:45,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:34:45,611 INFO L85 PathProgramCache]: Analyzing trace with hash -683577337, now seen corresponding path program 1 times [2023-12-23 09:34:45,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:34:45,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142529866] [2023-12-23 09:34:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:34:45,614 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 09:34:45,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:34:45,616 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 09:34:45,617 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 09:34:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:34:47,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-23 09:34:47,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:37:21,699 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:37:48,594 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:40:45,175 WARN L293 SmtUtils]: Spent 35.75s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:42:34,001 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:44:02,587 WARN L293 SmtUtils]: Spent 41.40s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 09:46:17,483 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse19))) (and (not (fp.geq c_~var_1_13~0 c_~var_1_14~0)) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse2) (fp.geq c_~var_1_7~0 .cse3))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse3) (= c_~var_1_14~0 c_~var_1_6~0) (fp.leq c_~var_1_4~0 .cse2) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse3) (or (and (fp.leq c_~var_1_5~0 .cse2) (fp.geq c_~var_1_5~0 .cse3)) (and (fp.geq c_~var_1_5~0 .cse0) (fp.leq c_~var_1_5~0 .cse1))) (fp.leq c_~var_1_6~0 .cse2) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from true [2023-12-23 09:46:25,690 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:46:34,140 WARN L293 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:46:40,910 WARN L293 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:46:47,173 WARN L293 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:46:52,883 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:01,093 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:08,443 WARN L293 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:16,669 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:22,661 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:34,507 WARN L293 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:42,484 WARN L293 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:47,622 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:47:54,086 WARN L293 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:00,629 WARN L293 SmtUtils]: Spent 6.54s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:08,855 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:17,023 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:25,056 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:32,778 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:42,502 WARN L293 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:50,708 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:48:58,855 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 09:49:00,003 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 09:49:00,003 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 09:49:01,055 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 09:49:01,212 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 09:49:01,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-23 09:49:01,289 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 09:49:01,290 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 271 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 09:49:01,293 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-23 09:49:01,295 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 09:49:01,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:49:01 BoogieIcfgContainer [2023-12-23 09:49:01,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 09:49:01,298 INFO L158 Benchmark]: Toolchain (without parser) took 878647.47ms. Allocated memory was 199.2MB in the beginning and 290.5MB in the end (delta: 91.2MB). Free memory was 141.9MB in the beginning and 148.7MB in the end (delta: -6.7MB). Peak memory consumption was 85.0MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,298 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 199.2MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 09:49:01,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.17ms. Allocated memory is still 199.2MB. Free memory was 141.7MB in the beginning and 123.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.70ms. Allocated memory is still 199.2MB. Free memory was 123.8MB in the beginning and 120.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,299 INFO L158 Benchmark]: Boogie Preprocessor took 93.00ms. Allocated memory is still 199.2MB. Free memory was 120.5MB in the beginning and 166.0MB in the end (delta: -45.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,299 INFO L158 Benchmark]: RCFGBuilder took 15650.18ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 131.9MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,300 INFO L158 Benchmark]: TraceAbstraction took 862497.22ms. Allocated memory was 199.2MB in the beginning and 290.5MB in the end (delta: 91.2MB). Free memory was 131.4MB in the beginning and 148.7MB in the end (delta: -17.3MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-12-23 09:49:01,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 199.2MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.17ms. Allocated memory is still 199.2MB. Free memory was 141.7MB in the beginning and 123.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.70ms. Allocated memory is still 199.2MB. Free memory was 123.8MB in the beginning and 120.5MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.00ms. Allocated memory is still 199.2MB. Free memory was 120.5MB in the beginning and 166.0MB in the end (delta: -45.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * RCFGBuilder took 15650.18ms. Allocated memory is still 199.2MB. Free memory was 166.0MB in the beginning and 131.9MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 862497.22ms. Allocated memory was 199.2MB in the beginning and 290.5MB in the end (delta: 91.2MB). Free memory was 131.4MB in the beginning and 148.7MB in the end (delta: -17.3MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 271 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 862.4s, OverallIterations: 2, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 167 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 269 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3784/3784 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