/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-55.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 09:50:26,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 09:50:26,414 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 09:50:26,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 09:50:26,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 09:50:26,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 09:50:26,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 09:50:26,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 09:50:26,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 09:50:26,446 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 09:50:26,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 09:50:26,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 09:50:26,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 09:50:26,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 09:50:26,447 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 09:50:26,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 09:50:26,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 09:50:26,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 09:50:26,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 09:50:26,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 09:50:26,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 09:50:26,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 09:50:26,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 09:50:26,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 09:50:26,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 09:50:26,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:50:26,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 09:50:26,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 09:50:26,458 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 09:50:26,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 09:50:26,459 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 09:50:26,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 09:50:26,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 09:50:26,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 09:50:26,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 09:50:26,660 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 09:50:26,662 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 09:50:26,663 INFO L431 ainManager$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-55.i [2023-12-23 09:50:27,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 09:50:27,934 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 09:50:27,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-55.i [2023-12-23 09:50:27,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587a7ccb5/dc7586ff079547439c0b05b7dde1faad/FLAG3be431826 [2023-12-23 09:50:27,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/587a7ccb5/dc7586ff079547439c0b05b7dde1faad [2023-12-23 09:50:27,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 09:50:27,961 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 09:50:27,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 09:50:27,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 09:50:27,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 09:50:27,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:50:27" (1/1) ... [2023-12-23 09:50:27,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779d691c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:27, skipping insertion in model container [2023-12-23 09:50:27,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:50:27" (1/1) ... [2023-12-23 09:50:28,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 09:50:28,098 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-55.i[919,932] [2023-12-23 09:50:28,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:50:28,160 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 09:50:28,168 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-55.i[919,932] [2023-12-23 09:50:28,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 09:50:28,221 INFO L206 MainTranslator]: Completed translation [2023-12-23 09:50:28,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28 WrapperNode [2023-12-23 09:50:28,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 09:50:28,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 09:50:28,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 09:50:28,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 09:50:28,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,281 INFO L138 Inliner]: procedures = 27, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 244 [2023-12-23 09:50:28,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 09:50:28,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 09:50:28,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 09:50:28,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 09:50:28,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,294 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,311 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 09:50:28,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 09:50:28,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 09:50:28,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 09:50:28,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 09:50:28,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (1/1) ... [2023-12-23 09:50:28,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 09:50:28,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 09:50:28,362 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 09:50:28,367 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 09:50:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 09:50:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 09:50:28,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 09:50:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 09:50:28,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 09:50:28,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 09:50:28,450 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 09:50:28,451 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 09:50:37,642 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 09:50:37,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 09:50:37,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 09:50:37,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:50:37 BoogieIcfgContainer [2023-12-23 09:50:37,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 09:50:37,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 09:50:37,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 09:50:37,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 09:50:37,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:50:27" (1/3) ... [2023-12-23 09:50:37,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2e4f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:50:37, skipping insertion in model container [2023-12-23 09:50:37,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:50:28" (2/3) ... [2023-12-23 09:50:37,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2e4f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:50:37, skipping insertion in model container [2023-12-23 09:50:37,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:50:37" (3/3) ... [2023-12-23 09:50:37,684 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-55.i [2023-12-23 09:50:37,698 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 09:50:37,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 09:50:37,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 09:50:37,761 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;@1ca453b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 09:50:37,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 09:50:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 55 states have internal predecessors, (76), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 09:50:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 09:50:37,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:50:37,778 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:37,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:50:37,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:50:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash -919514271, now seen corresponding path program 1 times [2023-12-23 09:50:37,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:50:37,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5611074] [2023-12-23 09:50:37,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:50:37,792 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 09:50:37,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:50:37,794 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 09:50:37,803 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 09:50:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:50:38,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 09:50:38,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:50:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 1462 proven. 0 refuted. 0 times theorem prover too weak. 3050 trivial. 0 not checked. [2023-12-23 09:50:38,691 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 09:50:38,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:50:38,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5611074] [2023-12-23 09:50:38,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5611074] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 09:50:38,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 09:50:38,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 09:50:38,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557437557] [2023-12-23 09:50:38,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 09:50:38,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 09:50:38,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:50:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 09:50:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 09:50:38,715 INFO L87 Difference]: Start difference. First operand has 105 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 55 states have internal predecessors, (76), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 09:50:38,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:50:38,814 INFO L93 Difference]: Finished difference Result 205 states and 386 transitions. [2023-12-23 09:50:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 09:50:38,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 283 [2023-12-23 09:50:38,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:50:38,827 INFO L225 Difference]: With dead ends: 205 [2023-12-23 09:50:38,827 INFO L226 Difference]: Without dead ends: 101 [2023-12-23 09:50:38,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 282 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 09:50:38,833 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-23 09:50:38,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-23 09:50:38,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-23 09:50:38,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-23 09:50:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 09:50:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 160 transitions. [2023-12-23 09:50:38,868 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 160 transitions. Word has length 283 [2023-12-23 09:50:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:50:38,868 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 160 transitions. [2023-12-23 09:50:38,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 09:50:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2023-12-23 09:50:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 09:50:38,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:50:38,878 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:38,898 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 09:50:39,089 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 09:50:39,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:50:39,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:50:39,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1476173033, now seen corresponding path program 1 times [2023-12-23 09:50:39,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:50:39,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154647973] [2023-12-23 09:50:39,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:50:39,092 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 09:50:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:50:39,093 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 09:50:39,094 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 09:50:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:50:39,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 09:50:39,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:50:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2283 proven. 63 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked. [2023-12-23 09:50:41,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 09:50:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 78 proven. 63 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-23 09:50:41,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:50:41,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154647973] [2023-12-23 09:50:41,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154647973] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 09:50:41,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 09:50:41,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 09:50:41,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940186623] [2023-12-23 09:50:41,653 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 09:50:41,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 09:50:41,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:50:41,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 09:50:41,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 09:50:41,655 INFO L87 Difference]: Start difference. First operand 101 states and 160 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-23 09:50:43,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:50:43,241 INFO L93 Difference]: Finished difference Result 209 states and 326 transitions. [2023-12-23 09:50:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 09:50:43,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 283 [2023-12-23 09:50:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:50:43,251 INFO L225 Difference]: With dead ends: 209 [2023-12-23 09:50:43,251 INFO L226 Difference]: Without dead ends: 109 [2023-12-23 09:50:43,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-12-23 09:50:43,252 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 118 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-23 09:50:43,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 206 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-23 09:50:43,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-23 09:50:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2023-12-23 09:50:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 09:50:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 161 transitions. [2023-12-23 09:50:43,267 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 161 transitions. Word has length 283 [2023-12-23 09:50:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:50:43,268 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 161 transitions. [2023-12-23 09:50:43,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-23 09:50:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-12-23 09:50:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 09:50:43,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:50:43,274 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:43,294 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 09:50:43,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 09:50:43,492 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:50:43,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:50:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash 465055783, now seen corresponding path program 1 times [2023-12-23 09:50:43,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:50:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528258729] [2023-12-23 09:50:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:50:43,493 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 09:50:43,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:50:43,494 INFO L229 MonitoredProcess]: Starting monitored process 4 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 09:50:43,498 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 (4)] Waiting until timeout for monitored process [2023-12-23 09:50:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:50:44,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 09:50:44,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:50:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2283 proven. 63 refuted. 0 times theorem prover too weak. 2166 trivial. 0 not checked. [2023-12-23 09:50:45,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 09:50:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 78 proven. 63 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-23 09:50:46,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:50:46,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528258729] [2023-12-23 09:50:46,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528258729] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 09:50:46,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 09:50:46,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 09:50:46,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898787942] [2023-12-23 09:50:46,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 09:50:46,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 09:50:46,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:50:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 09:50:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 09:50:46,147 INFO L87 Difference]: Start difference. First operand 105 states and 161 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-23 09:50:49,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:50:49,104 INFO L93 Difference]: Finished difference Result 303 states and 462 transitions. [2023-12-23 09:50:49,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-23 09:50:49,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) Word has length 283 [2023-12-23 09:50:49,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:50:49,107 INFO L225 Difference]: With dead ends: 303 [2023-12-23 09:50:49,108 INFO L226 Difference]: Without dead ends: 199 [2023-12-23 09:50:49,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 558 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-12-23 09:50:49,110 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 131 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-23 09:50:49,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 406 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-23 09:50:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-12-23 09:50:49,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2023-12-23 09:50:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 54 states have internal predecessors, (62), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 09:50:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2023-12-23 09:50:49,129 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 283 [2023-12-23 09:50:49,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:50:49,130 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2023-12-23 09:50:49,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (69), 2 states have call predecessors, (69), 4 states have return successors, (70), 2 states have call predecessors, (70), 2 states have call successors, (70) [2023-12-23 09:50:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2023-12-23 09:50:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 09:50:49,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:50:49,133 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:49,165 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 (4)] Forceful destruction successful, exit code 0 [2023-12-23 09:50:49,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 09:50:49,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:50:49,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:50:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1481544101, now seen corresponding path program 1 times [2023-12-23 09:50:49,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:50:49,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779694895] [2023-12-23 09:50:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:50:49,354 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 09:50:49,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:50:49,355 INFO L229 MonitoredProcess]: Starting monitored process 5 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 09:50:49,356 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 (5)] Waiting until timeout for monitored process [2023-12-23 09:50:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:50:50,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 09:50:50,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:50:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-23 09:50:51,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 09:50:51,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 09:50:51,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779694895] [2023-12-23 09:50:51,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779694895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 09:50:51,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 09:50:51,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 09:50:51,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8696749] [2023-12-23 09:50:51,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 09:50:51,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 09:50:51,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 09:50:51,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 09:50:51,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 09:50:51,955 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-23 09:50:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 09:50:52,021 INFO L93 Difference]: Finished difference Result 209 states and 315 transitions. [2023-12-23 09:50:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 09:50:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 283 [2023-12-23 09:50:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 09:50:52,028 INFO L225 Difference]: With dead ends: 209 [2023-12-23 09:50:52,028 INFO L226 Difference]: Without dead ends: 105 [2023-12-23 09:50:52,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 09:50:52,030 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-23 09:50:52,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 150 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-23 09:50:52,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-23 09:50:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-12-23 09:50:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 54 states have (on average 1.1296296296296295) internal successors, (61), 54 states have internal predecessors, (61), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 09:50:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 157 transitions. [2023-12-23 09:50:52,045 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 157 transitions. Word has length 283 [2023-12-23 09:50:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 09:50:52,045 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 157 transitions. [2023-12-23 09:50:52,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-23 09:50:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-12-23 09:50:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 09:50:52,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 09:50:52,047 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:50:52,067 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 (5)] Forceful destruction successful, exit code 0 [2023-12-23 09:50:52,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 09:50:52,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 09:50:52,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 09:50:52,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2133364825, now seen corresponding path program 1 times [2023-12-23 09:50:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 09:50:52,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801376471] [2023-12-23 09:50:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 09:50:52,267 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 09:50:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 09:50:52,268 INFO L229 MonitoredProcess]: Starting monitored process 6 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 09:50:52,269 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 (6)] Waiting until timeout for monitored process [2023-12-23 09:50:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 09:50:53,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-23 09:50:53,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 09:52:06,661 WARN L293 SmtUtils]: Spent 5.34s 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 09:52:22,860 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 09:52:41,408 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.neg c_~var_1_1~0))) (and (not (fp.geq c_~var_1_1~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 255.0 2.0))))) (not (fp.geq .cse0 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 7.0 8.0))))) (or (fp.lt c_~var_1_1~0 (fp.div roundNearestTiesToEven c_~var_1_40~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 607.0 40.0))))) (fp.lt c_~var_1_1~0 .cse0)) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 4611686018427382800.0)) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_40~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse1))) (fp.geq c_~var_1_40~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))) (and (fp.leq c_~var_1_40~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq c_~var_1_40~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))))))) is different from true [2023-12-23 09:52:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2179 proven. 312 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2023-12-23 09:52:44,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 09:52:56,008 WARN L293 SmtUtils]: Spent 6.19s 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 09:53:04,551 WARN L293 SmtUtils]: Spent 8.54s 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 09:53:16,264 WARN L293 SmtUtils]: Spent 8.56s 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 09:53:20,415 WARN L854 $PredicateComparison]: unable to prove that (or (not (fp.leq c_~var_1_40~0 c_~var_1_1~0)) (and (not (fp.lt c_~var_1_1~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_1~0 (fp.neg c_~var_1_1~0))))) is different from false [2023-12-23 09:53:24,564 WARN L876 $PredicateComparison]: unable to prove that (or (not (fp.leq c_~var_1_40~0 c_~var_1_1~0)) (and (not (fp.lt c_~var_1_1~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_1~0 (fp.neg c_~var_1_1~0))))) is different from true [2023-12-23 09:53:33,122 WARN L293 SmtUtils]: Spent 8.56s 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 09:53:40,025 WARN L293 SmtUtils]: Spent 6.90s 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 09:53:48,332 WARN L293 SmtUtils]: Spent 8.31s 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 09:53:55,073 WARN L293 SmtUtils]: Spent 6.74s 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 09:54:08,043 WARN L293 SmtUtils]: Spent 8.32s 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 09:54:16,613 WARN L293 SmtUtils]: Spent 8.57s 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 09:54:23,979 WARN L293 SmtUtils]: Spent 7.37s 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 09:54:31,953 WARN L293 SmtUtils]: Spent 7.97s 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 09:54:39,412 WARN L293 SmtUtils]: Spent 7.46s 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 09:54:43,566 WARN L854 $PredicateComparison]: unable to prove that (or (fp.geq c_~var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (not (fp.leq c_~var_1_40~0 c_~var_1_1~0)) (and (not (fp.lt c_~var_1_1~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_1~0 (fp.neg c_~var_1_1~0))))) is different from false [2023-12-23 09:54:47,737 WARN L876 $PredicateComparison]: unable to prove that (or (fp.geq c_~var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (not (fp.leq c_~var_1_40~0 c_~var_1_1~0)) (and (not (fp.lt c_~var_1_1~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_1~0 (fp.neg c_~var_1_1~0))))) is different from true [2023-12-23 09:54:56,316 WARN L293 SmtUtils]: Spent 8.58s 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 09:55:04,255 WARN L293 SmtUtils]: Spent 7.94s 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 09:55:17,192 WARN L293 SmtUtils]: Spent 8.33s 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 09:55:25,769 WARN L293 SmtUtils]: Spent 8.58s 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 09:55:32,756 WARN L293 SmtUtils]: Spent 6.99s 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 09:55:38,210 WARN L293 SmtUtils]: Spent 5.45s 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 09:55:46,533 WARN L293 SmtUtils]: Spent 8.32s 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 09:55:55,129 WARN L293 SmtUtils]: Spent 8.59s 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 09:56:03,710 WARN L293 SmtUtils]: Spent 8.58s 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 09:56:16,754 WARN L293 SmtUtils]: Spent 8.33s 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 09:56:25,343 WARN L293 SmtUtils]: Spent 8.59s 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 09:56:33,936 WARN L293 SmtUtils]: Spent 8.59s 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 09:56:44,692 WARN L293 SmtUtils]: Spent 6.85s 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 09:56:59,751 WARN L293 SmtUtils]: Spent 8.62s 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 09:57:07,426 WARN L293 SmtUtils]: Spent 7.68s 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 09:57:13,285 WARN L293 SmtUtils]: Spent 5.86s 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 09:57:21,605 WARN L293 SmtUtils]: Spent 8.32s 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 09:57:28,758 WARN L293 SmtUtils]: Spent 7.15s 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) [2023-12-23 09:57:34,076 WARN L293 SmtUtils]: Spent 5.32s 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 09:57:42,143 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.neg c_~var_1_1~0)) (.cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 8.0))))) (or (fp.geq c_~var_1_1~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (fp.geq (fp.neg c_~var_1_8~0) .cse0) (not (fp.leq c_~var_1_40~0 c_~var_1_1~0)) (and (not (fp.lt c_~var_1_1~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_1~0 .cse1))) (and (fp.geq .cse1 .cse0) (fp.lt c_~var_1_1~0 c_~var_1_8~0)))) is different from true [2023-12-23 09:57:50,724 WARN L293 SmtUtils]: Spent 8.58s 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 09:57:58,881 WARN L293 SmtUtils]: Spent 8.16s 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 09:58:05,630 WARN L293 SmtUtils]: Spent 6.75s 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 09:58:18,780 WARN L293 SmtUtils]: Spent 8.22s 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 09:58:26,264 WARN L293 SmtUtils]: Spent 7.48s 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 09:58:34,851 WARN L293 SmtUtils]: Spent 8.59s 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 09:58:43,182 WARN L293 SmtUtils]: Spent 8.33s 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 09:58:51,755 WARN L293 SmtUtils]: Spent 8.57s 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 09:58:57,518 WARN L293 SmtUtils]: Spent 5.76s 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 09:59:03,748 WARN L293 SmtUtils]: Spent 6.23s 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 09:59:12,317 WARN L293 SmtUtils]: Spent 8.57s 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 09:59:18,558 WARN L293 SmtUtils]: Spent 6.24s 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 09:59:27,130 WARN L293 SmtUtils]: Spent 8.57s 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 09:59:31,285 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.neg c_~var_1_7~0)) (.cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 8.0))))) (or (not (fp.leq c_~var_1_40~0 c_~var_1_7~0)) (fp.geq (fp.neg c_~var_1_8~0) .cse0) (and (not (fp.lt c_~var_1_7~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_7~0 .cse1))) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (and (fp.lt c_~var_1_7~0 c_~var_1_8~0) (fp.geq .cse1 .cse0)))) is different from false [2023-12-23 09:59:35,453 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.neg c_~var_1_7~0)) (.cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 7.0 8.0))))) (or (not (fp.leq c_~var_1_40~0 c_~var_1_7~0)) (fp.geq (fp.neg c_~var_1_8~0) .cse0) (and (not (fp.lt c_~var_1_7~0 (fp.div c_currentRoundingMode c_~var_1_40~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 607.0 40.0)))))) (not (fp.lt c_~var_1_7~0 .cse1))) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 255.0 2.0)))) (and (fp.lt c_~var_1_7~0 c_~var_1_8~0) (fp.geq .cse1 .cse0)))) is different from true [2023-12-23 09:59:43,791 WARN L293 SmtUtils]: Spent 8.34s 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 09:59:52,378 WARN L293 SmtUtils]: Spent 8.59s 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 10:00:00,980 WARN L293 SmtUtils]: Spent 8.60s 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 10:00:09,479 WARN L293 SmtUtils]: Spent 8.50s 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 10:00:18,078 WARN L293 SmtUtils]: Spent 8.60s 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 10:00:25,603 WARN L293 SmtUtils]: Spent 7.52s 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 10:00:34,203 WARN L293 SmtUtils]: Spent 8.60s 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 10:00:42,542 WARN L293 SmtUtils]: Spent 8.34s 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 10:00:49,531 WARN L293 SmtUtils]: Spent 6.99s 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 10:00:56,349 WARN L293 SmtUtils]: Spent 6.82s 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 10:01:04,670 WARN L293 SmtUtils]: Spent 8.32s 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 10:01:13,273 WARN L293 SmtUtils]: Spent 8.60s 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 10:01:21,517 WARN L293 SmtUtils]: Spent 8.24s 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 10:01:30,122 WARN L293 SmtUtils]: Spent 8.60s 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 10:01:38,479 WARN L293 SmtUtils]: Spent 8.35s 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 10:01:47,080 WARN L293 SmtUtils]: Spent 8.60s 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 10:02:03,639 WARN L293 SmtUtils]: Spent 8.60s 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 10:02:09,136 WARN L293 SmtUtils]: Spent 5.50s 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 10:02:17,762 WARN L293 SmtUtils]: Spent 8.63s 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 10:02:26,124 WARN L293 SmtUtils]: Spent 8.36s 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 10:02:34,740 WARN L293 SmtUtils]: Spent 8.62s 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 10:02:39,953 WARN L293 SmtUtils]: Spent 5.21s 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 10:02:53,132 WARN L293 SmtUtils]: Spent 8.62s 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 10:02:58,509 WARN L293 SmtUtils]: Spent 5.38s 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 10:03:11,765 WARN L293 SmtUtils]: Spent 8.36s 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 10:03:20,392 WARN L293 SmtUtils]: Spent 8.63s 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 10:03:28,744 WARN L293 SmtUtils]: Spent 8.35s 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 10:03:34,357 WARN L293 SmtUtils]: Spent 5.61s 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 10:03:42,970 WARN L293 SmtUtils]: Spent 8.61s 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 10:03:49,094 WARN L293 SmtUtils]: Spent 6.12s 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 10:03:57,708 WARN L293 SmtUtils]: Spent 8.61s 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 10:04:06,064 WARN L293 SmtUtils]: Spent 8.35s 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 10:04:14,688 WARN L293 SmtUtils]: Spent 8.62s 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 10:04:23,320 WARN L293 SmtUtils]: Spent 8.63s 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 10:04:31,953 WARN L293 SmtUtils]: Spent 8.63s 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 10:04:40,559 WARN L293 SmtUtils]: Spent 8.61s 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 10:04:52,946 WARN L293 SmtUtils]: Spent 8.63s 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 10:05:01,299 WARN L293 SmtUtils]: Spent 8.35s 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 10:05:08,435 WARN L293 SmtUtils]: Spent 7.14s 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) Received shutdown request... [2023-12-23 10:05:11,515 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 10:05:11,515 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 10:05:12,535 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 (6)] Forceful destruction successful, exit code 0 [2023-12-23 10:05:12,728 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 10:05:12,775 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 10:05:12,775 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 284 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-23 10:05:12,778 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-23 10:05:12,780 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 10:05:12,781 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 10:05:12,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 10:05:12 BoogieIcfgContainer [2023-12-23 10:05:12,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 10:05:12,782 INFO L158 Benchmark]: Toolchain (without parser) took 884821.35ms. Allocated memory is still 319.8MB. Free memory was 274.4MB in the beginning and 246.8MB in the end (delta: 27.6MB). Peak memory consumption was 28.5MB. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 212.9MB. Free memory was 161.8MB in the beginning and 161.6MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.99ms. Allocated memory is still 319.8MB. Free memory was 274.0MB in the beginning and 257.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.21ms. Allocated memory is still 319.8MB. Free memory was 257.2MB in the beginning and 254.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: Boogie Preprocessor took 48.73ms. Allocated memory is still 319.8MB. Free memory was 254.5MB in the beginning and 250.7MB in the end (delta: 3.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: RCFGBuilder took 9345.31ms. Allocated memory is still 319.8MB. Free memory was 250.3MB in the beginning and 220.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-23 10:05:12,783 INFO L158 Benchmark]: TraceAbstraction took 875102.59ms. Allocated memory is still 319.8MB. Free memory was 220.3MB in the beginning and 246.8MB in the end (delta: -26.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 10:05:12,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 212.9MB. Free memory was 161.8MB in the beginning and 161.6MB in the end (delta: 172.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 258.99ms. Allocated memory is still 319.8MB. Free memory was 274.0MB in the beginning and 257.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.21ms. Allocated memory is still 319.8MB. Free memory was 257.2MB in the beginning and 254.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.73ms. Allocated memory is still 319.8MB. Free memory was 254.5MB in the beginning and 250.7MB in the end (delta: 3.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 9345.31ms. Allocated memory is still 319.8MB. Free memory was 250.3MB in the beginning and 220.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 875102.59ms. Allocated memory is still 319.8MB. Free memory was 220.3MB in the beginning and 246.8MB in the end (delta: -26.5MB). There was no memory consumed. 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 284 with TraceHistMax 48,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 875.0s, OverallIterations: 5, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 919 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 334 mSDsCounter, 250 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 867 IncrementalHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 250 mSolverCounterUnsat, 585 mSDtfsCounter, 867 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1712 GetRequests, 1679 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 98 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1132 NumberOfCodeBlocks, 1132 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1692 ConstructedInterpolants, 0 QuantifiedInterpolants, 3266 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1801 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 26820/27072 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