/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 05:28:44,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 05:28:44,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 05:28:44,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 05:28:44,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 05:28:44,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 05:28:44,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 05:28:44,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 05:28:44,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 05:28:44,355 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 05:28:44,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 05:28:44,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 05:28:44,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 05:28:44,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 05:28:44,357 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 05:28:44,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 05:28:44,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 05:28:44,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 05:28:44,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 05:28:44,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 05:28:44,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 05:28:44,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 05:28:44,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 05:28:44,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 05:28:44,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 05:28:44,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 05:28:44,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 05:28:44,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 05:28:44,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 05:28:44,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 05:28:44,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 05:28:44,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 05:28:44,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 05:28:44,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 05:28:44,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 05:28:44,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 05:28:44,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 05:28:44,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 05:28:44,368 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 05:28:44,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 05:28:44,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 05:28:44,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 05:28:44,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 05:28:44,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 05:28:44,533 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 05:28:44,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-12-24 05:28:45,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 05:28:45,666 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 05:28:45,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-12-24 05:28:45,674 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607c25d73/11eae4780f974ae19547720bdf0d3f2a/FLAG18886ad28 [2023-12-24 05:28:45,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/607c25d73/11eae4780f974ae19547720bdf0d3f2a [2023-12-24 05:28:45,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 05:28:45,691 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 05:28:45,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 05:28:45,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 05:28:45,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 05:28:45,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:45,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e4d6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45, skipping insertion in model container [2023-12-24 05:28:45,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:45,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 05:28:45,847 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-12-24 05:28:45,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 05:28:45,899 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 05:28:45,907 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-12-24 05:28:45,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 05:28:45,952 INFO L206 MainTranslator]: Completed translation [2023-12-24 05:28:45,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45 WrapperNode [2023-12-24 05:28:45,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 05:28:45,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 05:28:45,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 05:28:45,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 05:28:45,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:45,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:45,998 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-12-24 05:28:45,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 05:28:45,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 05:28:45,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 05:28:45,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 05:28:46,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,026 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]. [2023-12-24 05:28:46,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 05:28:46,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 05:28:46,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 05:28:46,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 05:28:46,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (1/1) ... [2023-12-24 05:28:46,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 05:28:46,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 05:28:46,085 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) [2023-12-24 05:28:46,099 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 [2023-12-24 05:28:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 05:28:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 05:28:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 05:28:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 05:28:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 05:28:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 05:28:46,195 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 05:28:46,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 05:28:54,134 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 05:28:54,162 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 05:28:54,163 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 05:28:54,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:28:54 BoogieIcfgContainer [2023-12-24 05:28:54,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 05:28:54,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 05:28:54,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 05:28:54,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 05:28:54,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 05:28:45" (1/3) ... [2023-12-24 05:28:54,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78f155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:28:54, skipping insertion in model container [2023-12-24 05:28:54,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 05:28:45" (2/3) ... [2023-12-24 05:28:54,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78f155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 05:28:54, skipping insertion in model container [2023-12-24 05:28:54,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 05:28:54" (3/3) ... [2023-12-24 05:28:54,169 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-59.i [2023-12-24 05:28:54,180 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 05:28:54,180 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 05:28:54,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 05:28:54,237 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;@5b714d44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 05:28:54,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 05:28:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 46 states have internal predecessors, (70), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 05:28:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-24 05:28:54,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:28:54,251 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:28:54,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:28:54,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:28:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1748456651, now seen corresponding path program 1 times [2023-12-24 05:28:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:28:54,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1026114420] [2023-12-24 05:28:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:28:54,264 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 [2023-12-24 05:28:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:28:54,266 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) [2023-12-24 05:28:54,293 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 [2023-12-24 05:28:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:28:54,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 05:28:54,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:28:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-12-24 05:28:54,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:28:54,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:28:54,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1026114420] [2023-12-24 05:28:54,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1026114420] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:28:54,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 05:28:54,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 05:28:54,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997214688] [2023-12-24 05:28:54,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:28:54,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 05:28:54,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:28:54,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 05:28:54,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 05:28:54,665 INFO L87 Difference]: Start difference. First operand has 69 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 46 states have internal predecessors, (70), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-24 05:28:58,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:28:58,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:28:58,826 INFO L93 Difference]: Finished difference Result 135 states and 243 transitions. [2023-12-24 05:28:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 05:28:58,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2023-12-24 05:28:58,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:28:58,871 INFO L225 Difference]: With dead ends: 135 [2023-12-24 05:28:58,872 INFO L226 Difference]: Without dead ends: 67 [2023-12-24 05:28:58,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 05:28:58,875 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-24 05:28:58,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-24 05:28:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-24 05:28:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-24 05:28:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 44 states have internal predecessors, (65), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 05:28:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 107 transitions. [2023-12-24 05:28:58,902 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 107 transitions. Word has length 136 [2023-12-24 05:28:58,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:28:58,903 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 107 transitions. [2023-12-24 05:28:58,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-12-24 05:28:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2023-12-24 05:28:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-24 05:28:58,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:28:58,905 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:28:58,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-24 05:28:59,114 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 [2023-12-24 05:28:59,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:28:59,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:28:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash -592473659, now seen corresponding path program 1 times [2023-12-24 05:28:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:28:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257384883] [2023-12-24 05:28:59,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:28:59,116 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 [2023-12-24 05:28:59,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:28:59,117 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) [2023-12-24 05:28:59,121 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 [2023-12-24 05:28:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:28:59,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 05:28:59,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:28:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-24 05:28:59,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:28:59,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:28:59,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257384883] [2023-12-24 05:28:59,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257384883] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:28:59,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 05:28:59,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 05:28:59,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497111615] [2023-12-24 05:28:59,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:28:59,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 05:28:59,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:28:59,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 05:28:59,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 05:28:59,627 INFO L87 Difference]: Start difference. First operand 67 states and 107 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:04,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:08,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:11,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:29:11,339 INFO L93 Difference]: Finished difference Result 140 states and 218 transitions. [2023-12-24 05:29:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-24 05:29:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2023-12-24 05:29:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:29:11,385 INFO L225 Difference]: With dead ends: 140 [2023-12-24 05:29:11,385 INFO L226 Difference]: Without dead ends: 74 [2023-12-24 05:29:11,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-24 05:29:11,388 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 113 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 88 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-12-24 05:29:11,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 147 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 145 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2023-12-24 05:29:11,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-24 05:29:11,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2023-12-24 05:29:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 05:29:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 101 transitions. [2023-12-24 05:29:11,399 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 101 transitions. Word has length 136 [2023-12-24 05:29:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:29:11,400 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 101 transitions. [2023-12-24 05:29:11,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2023-12-24 05:29:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-24 05:29:11,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:29:11,402 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:29:11,414 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 [2023-12-24 05:29:11,613 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 [2023-12-24 05:29:11,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:29:11,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:29:11,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1266709716, now seen corresponding path program 1 times [2023-12-24 05:29:11,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:29:11,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834479760] [2023-12-24 05:29:11,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:29:11,615 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 [2023-12-24 05:29:11,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:29:11,616 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) [2023-12-24 05:29:11,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 05:29:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:29:11,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 05:29:11,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:29:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-24 05:29:11,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:29:11,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:29:11,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834479760] [2023-12-24 05:29:11,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834479760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:29:11,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 05:29:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 05:29:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842218877] [2023-12-24 05:29:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:29:11,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 05:29:11,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:29:11,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 05:29:11,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 05:29:11,981 INFO L87 Difference]: Start difference. First operand 70 states and 101 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:16,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-24 05:29:17,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-24 05:29:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:29:17,627 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2023-12-24 05:29:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 05:29:17,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2023-12-24 05:29:17,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:29:17,665 INFO L225 Difference]: With dead ends: 139 [2023-12-24 05:29:17,665 INFO L226 Difference]: Without dead ends: 70 [2023-12-24 05:29:17,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 05:29:17,666 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 20 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-24 05:29:17,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-12-24 05:29:17,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-24 05:29:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-24 05:29:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 46 states have internal predecessors, (58), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 05:29:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 100 transitions. [2023-12-24 05:29:17,676 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 100 transitions. Word has length 137 [2023-12-24 05:29:17,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:29:17,677 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 100 transitions. [2023-12-24 05:29:17,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2023-12-24 05:29:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-24 05:29:17,679 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:29:17,679 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:29:17,691 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 [2023-12-24 05:29:17,888 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 [2023-12-24 05:29:17,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:29:17,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:29:17,889 INFO L85 PathProgramCache]: Analyzing trace with hash -86293894, now seen corresponding path program 1 times [2023-12-24 05:29:17,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:29:17,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861626337] [2023-12-24 05:29:17,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:29:17,890 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 [2023-12-24 05:29:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:29:17,892 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) [2023-12-24 05:29:17,895 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 [2023-12-24 05:29:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:29:18,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 05:29:18,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:29:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-24 05:29:19,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 05:29:20,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:29:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861626337] [2023-12-24 05:29:20,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861626337] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 05:29:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2132497768] [2023-12-24 05:29:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:29:20,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 05:29:20,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 05:29:20,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 05:29:20,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-24 05:29:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:29:20,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 05:29:20,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:29:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-12-24 05:29:21,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 05:29:22,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2132497768] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 05:29:22,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 05:29:22,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2023-12-24 05:29:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437292660] [2023-12-24 05:29:22,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 05:29:22,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-24 05:29:22,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:29:22,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-24 05:29:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-24 05:29:22,049 INFO L87 Difference]: Start difference. First operand 70 states and 100 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-24 05:29:26,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:30,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-24 05:29:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:29:30,396 INFO L93 Difference]: Finished difference Result 180 states and 248 transitions. [2023-12-24 05:29:30,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-24 05:29:30,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 138 [2023-12-24 05:29:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:29:30,398 INFO L225 Difference]: With dead ends: 180 [2023-12-24 05:29:30,398 INFO L226 Difference]: Without dead ends: 111 [2023-12-24 05:29:30,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-12-24 05:29:30,399 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 155 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-12-24 05:29:30,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 288 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-12-24 05:29:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-24 05:29:30,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 81. [2023-12-24 05:29:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 55 states have internal predecessors, (68), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-24 05:29:30,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2023-12-24 05:29:30,407 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 138 [2023-12-24 05:29:30,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:29:30,408 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2023-12-24 05:29:30,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-12-24 05:29:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-12-24 05:29:30,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-24 05:29:30,409 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:29:30,409 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:29:30,421 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 [2023-12-24 05:29:30,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-24 05:29:30,818 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-24 05:29:30,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:29:30,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:29:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1775237636, now seen corresponding path program 1 times [2023-12-24 05:29:30,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:29:30,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285386148] [2023-12-24 05:29:30,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:29:30,820 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 [2023-12-24 05:29:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:29:30,821 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-12-24 05:29:30,821 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 (7)] Waiting until timeout for monitored process [2023-12-24 05:29:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:29:31,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 05:29:31,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:29:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-24 05:29:31,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 05:29:31,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 05:29:31,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285386148] [2023-12-24 05:29:31,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285386148] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 05:29:31,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 05:29:31,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 05:29:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896230659] [2023-12-24 05:29:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 05:29:31,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 05:29:31,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 05:29:31,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 05:29:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 05:29:31,550 INFO L87 Difference]: Start difference. First operand 81 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:35,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:38,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:40,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:44,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:49,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 05:29:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 05:29:49,100 INFO L93 Difference]: Finished difference Result 260 states and 352 transitions. [2023-12-24 05:29:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 05:29:49,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2023-12-24 05:29:49,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 05:29:49,145 INFO L225 Difference]: With dead ends: 260 [2023-12-24 05:29:49,145 INFO L226 Difference]: Without dead ends: 180 [2023-12-24 05:29:49,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 05:29:49,146 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 87 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 43 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2023-12-24 05:29:49,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 298 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 17.5s Time] [2023-12-24 05:29:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-24 05:29:49,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 156. [2023-12-24 05:29:49,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-24 05:29:49,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 212 transitions. [2023-12-24 05:29:49,166 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 212 transitions. Word has length 138 [2023-12-24 05:29:49,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 05:29:49,166 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 212 transitions. [2023-12-24 05:29:49,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-24 05:29:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 212 transitions. [2023-12-24 05:29:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-24 05:29:49,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 05:29:49,167 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 05:29:49,178 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 (7)] Ended with exit code 0 [2023-12-24 05:29:49,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-24 05:29:49,372 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 05:29:49,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 05:29:49,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1951523925, now seen corresponding path program 1 times [2023-12-24 05:29:49,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 05:29:49,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875089499] [2023-12-24 05:29:49,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 05:29:49,373 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 [2023-12-24 05:29:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 05:29:49,374 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-12-24 05:29:49,374 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 (8)] Waiting until timeout for monitored process [2023-12-24 05:29:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 05:29:49,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-24 05:29:49,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 05:30:05,968 WARN L293 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:30:17,833 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:30:25,986 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:30:33,768 WARN L293 SmtUtils]: Spent 7.78s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:30:40,371 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:30:46,627 WARN L293 SmtUtils]: Spent 6.26s 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) [2023-12-24 05:30:55,249 WARN L293 SmtUtils]: Spent 5.19s 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) [2023-12-24 05:31:01,808 WARN L293 SmtUtils]: Spent 6.56s 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) [2023-12-24 05:31:09,962 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:31:15,865 WARN L293 SmtUtils]: Spent 5.90s 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) [2023-12-24 05:31:26,769 WARN L293 SmtUtils]: Spent 6.91s 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) [2023-12-24 05:31:34,724 WARN L293 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:31:42,289 WARN L293 SmtUtils]: Spent 7.56s 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) [2023-12-24 05:31:59,381 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:32:03,431 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_13~0)) (.cse7 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ zero_extend 24) c_~var_1_6~0))) (and (let ((.cse1 ((_ sign_extend 24) c_~var_1_14~0)) (.cse3 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse0 .cse1))) .cse2) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse0 .cse3))) (not .cse2))))) (bvsle ((_ zero_extend 24) c_~var_1_28~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_11~0) (let ((.cse5 (bvadd (_ bv256 32) ((_ sign_extend 24) c_~var_1_12~0) (bvneg c_~var_1_8~0)))) (let ((.cse4 (bvslt .cse0 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) .cse5) c_~var_1_21~0)) (and (= ((_ extract 15 0) .cse0) c_~var_1_21~0) .cse4)))) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7 (_ bv4294967294 32))) c_~var_1_1~0) (fp.lt (fp.mul c_currentRoundingMode c_~var_1_22~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 8.0)))) (fp.mul c_currentRoundingMode c_~var_1_23~0 c_~var_1_24~0)) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= (_ bv1 8) c_~var_1_27~0) (= (_ bv16 32) c_~last_1_var_1_8~0) (bvsle .cse6 (_ bv127 32)) (bvsge .cse7 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv2 16) c_~var_1_7~0)) (= (_ bv0 16) (bvadd (_ bv8 16) c_~var_1_29~0)) (= c_~var_1_8~0 .cse6))) is different from false [2023-12-24 05:32:07,480 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_13~0)) (.cse7 ((_ zero_extend 24) c_~var_1_5~0)) (.cse6 ((_ zero_extend 24) c_~var_1_6~0))) (and (let ((.cse1 ((_ sign_extend 24) c_~var_1_14~0)) (.cse3 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse0 .cse1))) .cse2) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse0 .cse3))) (not .cse2))))) (bvsle ((_ zero_extend 24) c_~var_1_28~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_11~0) (let ((.cse5 (bvadd (_ bv256 32) ((_ sign_extend 24) c_~var_1_12~0) (bvneg c_~var_1_8~0)))) (let ((.cse4 (bvslt .cse0 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) .cse5) c_~var_1_21~0)) (and (= ((_ extract 15 0) .cse0) c_~var_1_21~0) .cse4)))) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7 (_ bv4294967294 32))) c_~var_1_1~0) (fp.lt (fp.mul c_currentRoundingMode c_~var_1_22~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 8.0)))) (fp.mul c_currentRoundingMode c_~var_1_23~0 c_~var_1_24~0)) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= (_ bv1 8) c_~var_1_27~0) (= (_ bv16 32) c_~last_1_var_1_8~0) (bvsle .cse6 (_ bv127 32)) (bvsge .cse7 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv2 16) c_~var_1_7~0)) (= (_ bv0 16) (bvadd (_ bv8 16) c_~var_1_29~0)) (= c_~var_1_8~0 .cse6))) is different from true [2023-12-24 05:32:15,182 WARN L293 SmtUtils]: Spent 7.67s 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) [2023-12-24 05:32:23,191 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:32:34,145 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:32:42,297 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:32:50,450 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:32:58,604 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:33:06,588 WARN L293 SmtUtils]: Spent 7.98s 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) [2023-12-24 05:33:11,735 WARN L293 SmtUtils]: Spent 5.15s 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) [2023-12-24 05:33:31,902 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:33:38,901 WARN L293 SmtUtils]: Spent 7.00s 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) [2023-12-24 05:33:47,056 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:33:52,642 WARN L293 SmtUtils]: Spent 5.58s 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) [2023-12-24 05:33:59,481 WARN L293 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:34:13,918 WARN L293 SmtUtils]: Spent 7.15s 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) [2023-12-24 05:34:22,014 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:34:33,975 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:34:39,897 WARN L293 SmtUtils]: Spent 5.92s 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) [2023-12-24 05:34:46,661 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:34:54,833 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:35:02,996 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:35:11,152 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:35:23,994 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:35:30,246 WARN L293 SmtUtils]: Spent 6.25s 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) [2023-12-24 05:35:37,742 WARN L293 SmtUtils]: Spent 7.50s 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) [2023-12-24 05:35:45,823 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:35:53,988 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:36:01,572 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:36:09,735 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:36:15,470 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:36:25,748 WARN L293 SmtUtils]: Spent 6.36s 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) [2023-12-24 05:36:32,684 WARN L293 SmtUtils]: Spent 6.91s 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) [2023-12-24 05:36:40,792 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:36:48,977 WARN L293 SmtUtils]: Spent 8.18s 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) [2023-12-24 05:37:01,040 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:37:12,608 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:37:20,771 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:37:28,204 WARN L293 SmtUtils]: Spent 7.43s 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) [2023-12-24 05:37:35,688 WARN L293 SmtUtils]: Spent 7.48s 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) [2023-12-24 05:37:41,456 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:37:47,690 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:37:55,859 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:38:02,075 WARN L293 SmtUtils]: Spent 6.22s 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) [2023-12-24 05:38:10,223 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:38:15,784 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:38:24,095 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:38:29,378 WARN L293 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:38:41,255 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:38:49,423 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:38:57,390 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) [2023-12-24 05:39:02,632 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_13~0)) (.cse0 (bvneg c_~var_1_8~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse9 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 ((_ zero_extend 24) c_~var_1_6~0))) (and (not (bvsge ((_ sign_extend 16) (_ bv65528 16)) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_1~0) .cse1))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_14~0)) (.cse5 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse4 (bvslt .cse3 .cse5))) (or (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse3))) .cse4) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse5))) (not .cse4))))) (bvsle ((_ zero_extend 24) c_~var_1_28~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_11~0) (let ((.cse7 (bvadd (_ bv256 32) ((_ sign_extend 24) c_~var_1_12~0) .cse0))) (let ((.cse6 (bvslt .cse2 .cse7))) (or (and (not .cse6) (= ((_ extract 15 0) .cse7) c_~var_1_21~0)) (and (= ((_ extract 15 0) .cse2) c_~var_1_21~0) .cse6)))) (= ((_ extract 7 0) (bvadd (bvneg .cse8) .cse9 (_ bv4294967294 32))) c_~var_1_1~0) (fp.lt (fp.mul c_currentRoundingMode c_~var_1_22~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 8.0)))) (fp.mul c_currentRoundingMode c_~var_1_23~0 c_~var_1_24~0)) (bvsle .cse1 (_ bv63 32)) (= (_ bv1 8) c_~var_1_27~0) (= (_ bv16 32) c_~last_1_var_1_8~0) (bvsle .cse8 (_ bv127 32)) (bvsge .cse9 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv2 16) c_~var_1_7~0)) (= (_ bv0 16) (bvadd (_ bv8 16) c_~var_1_29~0)) (= c_~var_1_8~0 .cse8))) is different from true [2023-12-24 05:39:10,824 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:39:18,928 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:39:24,125 WARN L293 SmtUtils]: Spent 5.20s 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) [2023-12-24 05:39:32,287 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:39:37,415 WARN L293 SmtUtils]: Spent 5.13s 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) [2023-12-24 05:39:45,649 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:39:53,810 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:40:01,979 WARN L293 SmtUtils]: Spent 8.17s 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) [2023-12-24 05:40:08,266 WARN L293 SmtUtils]: Spent 6.29s 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) [2023-12-24 05:40:15,952 WARN L293 SmtUtils]: Spent 7.68s 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) [2023-12-24 05:40:26,493 WARN L293 SmtUtils]: Spent 8.06s 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) [2023-12-24 05:40:34,648 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:40:42,807 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:40:50,963 WARN L293 SmtUtils]: Spent 8.15s 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) [2023-12-24 05:40:59,116 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:41:11,548 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:41:24,828 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:41:28,877 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_13~0)) (.cse0 (bvneg c_~var_1_8~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse6 ((_ zero_extend 24) c_~var_1_5~0)) (.cse9 ((_ zero_extend 24) c_~var_1_6~0))) (and (not (bvsge ((_ sign_extend 16) (_ bv65528 16)) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_1~0) .cse1))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_14~0)) (.cse5 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse4 (bvslt .cse3 .cse5))) (or (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse3))) .cse4) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse5))) (not .cse4))))) (= ((_ extract 7 0) (bvadd (bvneg (bvadd ((_ zero_extend 24) c_~var_1_17~0) (bvneg ((_ zero_extend 24) c_~var_1_18~0)) (bvneg .cse1))) .cse6)) c_~var_1_16~0) (bvsle ((_ zero_extend 24) c_~var_1_28~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_11~0) (let ((.cse8 (bvadd (_ bv256 32) ((_ sign_extend 24) c_~var_1_12~0) .cse0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= ((_ extract 15 0) .cse8) c_~var_1_21~0)) (and (= ((_ extract 15 0) .cse2) c_~var_1_21~0) .cse7)))) (= ((_ extract 7 0) (bvadd (bvneg .cse9) .cse6 (_ bv4294967294 32))) c_~var_1_1~0) (fp.lt (fp.mul c_currentRoundingMode c_~var_1_22~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 8.0)))) (fp.mul c_currentRoundingMode c_~var_1_23~0 c_~var_1_24~0)) (bvsle .cse1 (_ bv63 32)) (= (_ bv1 8) c_~var_1_27~0) (= (_ bv16 32) c_~last_1_var_1_8~0) (bvsle .cse9 (_ bv127 32)) (bvsge .cse6 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv2 16) c_~var_1_7~0)) (= (_ bv0 16) (bvadd (_ bv8 16) c_~var_1_29~0)) (= c_~var_1_8~0 .cse9))) is different from false [2023-12-24 05:41:32,927 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_13~0)) (.cse0 (bvneg c_~var_1_8~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse6 ((_ zero_extend 24) c_~var_1_5~0)) (.cse9 ((_ zero_extend 24) c_~var_1_6~0))) (and (not (bvsge ((_ sign_extend 16) (_ bv65528 16)) (bvadd .cse0 ((_ zero_extend 24) c_~var_1_1~0) .cse1))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_14~0)) (.cse5 ((_ sign_extend 24) c_~var_1_15~0))) (let ((.cse4 (bvslt .cse3 .cse5))) (or (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse3))) .cse4) (and (= c_~var_1_12~0 ((_ extract 7 0) (bvadd .cse2 .cse5))) (not .cse4))))) (= ((_ extract 7 0) (bvadd (bvneg (bvadd ((_ zero_extend 24) c_~var_1_17~0) (bvneg ((_ zero_extend 24) c_~var_1_18~0)) (bvneg .cse1))) .cse6)) c_~var_1_16~0) (bvsle ((_ zero_extend 24) c_~var_1_28~0) (_ bv0 32)) (= (_ bv1 8) c_~var_1_11~0) (let ((.cse8 (bvadd (_ bv256 32) ((_ sign_extend 24) c_~var_1_12~0) .cse0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= ((_ extract 15 0) .cse8) c_~var_1_21~0)) (and (= ((_ extract 15 0) .cse2) c_~var_1_21~0) .cse7)))) (= ((_ extract 7 0) (bvadd (bvneg .cse9) .cse6 (_ bv4294967294 32))) c_~var_1_1~0) (fp.lt (fp.mul c_currentRoundingMode c_~var_1_22~0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 5.0 8.0)))) (fp.mul c_currentRoundingMode c_~var_1_23~0 c_~var_1_24~0)) (bvsle .cse1 (_ bv63 32)) (= (_ bv1 8) c_~var_1_27~0) (= (_ bv16 32) c_~last_1_var_1_8~0) (bvsle .cse9 (_ bv127 32)) (bvsge .cse6 (_ bv190 32)) (= (_ bv0 16) (bvadd (_ bv2 16) c_~var_1_7~0)) (= (_ bv0 16) (bvadd (_ bv8 16) c_~var_1_29~0)) (= c_~var_1_8~0 .cse9))) is different from true [2023-12-24 05:41:41,111 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:41:49,205 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:41:55,439 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) [2023-12-24 05:42:03,597 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:42:09,644 WARN L293 SmtUtils]: Spent 6.05s 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) [2023-12-24 05:42:17,805 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:42:25,964 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:42:37,880 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:42:44,074 WARN L293 SmtUtils]: Spent 6.19s 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) [2023-12-24 05:42:54,371 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:43:02,063 WARN L293 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:43:08,856 WARN L293 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 05:43:17,018 WARN L293 SmtUtils]: Spent 8.16s 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) [2023-12-24 05:43:23,942 WARN L293 SmtUtils]: Spent 6.92s 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) [2023-12-24 05:43:29,423 WARN L293 SmtUtils]: Spent 5.48s 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... [2023-12-24 05:43:31,127 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 [2023-12-24 05:43:31,127 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 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 05:43:32,140 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 (8)] Forceful destruction successful, exit code 0 [2023-12-24 05:43:32,328 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 [2023-12-24 05:43:32,350 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 [2023-12-24 05:43:32,352 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 05:43:32,353 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 141 with TraceHistMax 21,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-24 05:43:32,356 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-24 05:43:32,357 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 05:43:32,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 05:43:32 BoogieIcfgContainer [2023-12-24 05:43:32,358 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 05:43:32,359 INFO L158 Benchmark]: Toolchain (without parser) took 886667.89ms. Allocated memory was 196.1MB in the beginning and 252.7MB in the end (delta: 56.6MB). Free memory was 155.0MB in the beginning and 212.8MB in the end (delta: -57.8MB). Peak memory consumption was 133.0MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,359 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 196.1MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 05:43:32,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.50ms. Allocated memory is still 196.1MB. Free memory was 155.0MB in the beginning and 138.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.11ms. Allocated memory is still 196.1MB. Free memory was 138.2MB in the beginning and 135.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,359 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 196.1MB. Free memory was 135.5MB in the beginning and 131.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,360 INFO L158 Benchmark]: RCFGBuilder took 8114.50ms. Allocated memory is still 196.1MB. Free memory was 131.3MB in the beginning and 103.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,360 INFO L158 Benchmark]: TraceAbstraction took 878193.69ms. Allocated memory was 196.1MB in the beginning and 252.7MB in the end (delta: 56.6MB). Free memory was 102.6MB in the beginning and 212.8MB in the end (delta: -110.2MB). Peak memory consumption was 80.6MB. Max. memory is 8.0GB. [2023-12-24 05:43:32,361 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 196.1MB. Free memory is still 152.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 259.50ms. Allocated memory is still 196.1MB. Free memory was 155.0MB in the beginning and 138.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.11ms. Allocated memory is still 196.1MB. Free memory was 138.2MB in the beginning and 135.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 196.1MB. Free memory was 135.5MB in the beginning and 131.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 8114.50ms. Allocated memory is still 196.1MB. Free memory was 131.3MB in the beginning and 103.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 878193.69ms. Allocated memory was 196.1MB in the beginning and 252.7MB in the end (delta: 56.6MB). Free memory was 102.6MB in the beginning and 212.8MB in the end (delta: -110.2MB). Peak memory consumption was 80.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 141 with TraceHistMax 21,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 878.1s, OverallIterations: 6, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 377 SdHoareTripleChecker+Valid, 46.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 375 mSDsluCounter, 1002 SdHoareTripleChecker+Invalid, 46.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 616 IncrementalHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 448 mSDtfsCounter, 616 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1065 GetRequests, 1031 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=5, InterpolantAutomatonStates: 33, 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, 5 MinimizatonAttempts, 58 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 823 NumberOfCodeBlocks, 823 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 817 ConstructedInterpolants, 7 QuantifiedInterpolants, 2907 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1396 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4824/5040 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