/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_loopvsstraightlinecode_100-1loop_file-18.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 21:02:31,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 21:02:31,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 21:02:31,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 21:02:31,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 21:02:31,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 21:02:31,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 21:02:31,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 21:02:31,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 21:02:31,128 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 21:02:31,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 21:02:31,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 21:02:31,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 21:02:31,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 21:02:31,131 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 21:02:31,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 21:02:31,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 21:02:31,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 21:02:31,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 21:02:31,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 21:02:31,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 21:02:31,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 21:02:31,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 21:02:31,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 21:02:31,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 21:02:31,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 21:02:31,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 21:02:31,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 21:02:31,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 21:02:31,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 21:02:31,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 21:02:31,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 21:02:31,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 21:02:31,136 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 21:02:31,136 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 21:02:31,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 21:02:31,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 21:02:31,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 21:02:31,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 21:02:31,347 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 21:02:31,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-18.i [2023-12-23 21:02:32,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 21:02:32,492 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 21:02:32,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-18.i [2023-12-23 21:02:32,499 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec02da5fd/ae77b5ef31654184bbcdf9f4c7bb3af8/FLAG2d960878f [2023-12-23 21:02:32,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec02da5fd/ae77b5ef31654184bbcdf9f4c7bb3af8 [2023-12-23 21:02:32,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 21:02:32,520 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 21:02:32,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 21:02:32,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 21:02:32,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 21:02:32,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724eca36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32, skipping insertion in model container [2023-12-23 21:02:32,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 21:02:32,689 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_loopvsstraightlinecode_100-1loop_file-18.i[916,929] [2023-12-23 21:02:32,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 21:02:32,793 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 21:02:32,803 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_loopvsstraightlinecode_100-1loop_file-18.i[916,929] [2023-12-23 21:02:32,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 21:02:32,871 INFO L206 MainTranslator]: Completed translation [2023-12-23 21:02:32,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32 WrapperNode [2023-12-23 21:02:32,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 21:02:32,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 21:02:32,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 21:02:32,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 21:02:32,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,927 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-12-23 21:02:32,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 21:02:32,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 21:02:32,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 21:02:32,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 21:02:32,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,972 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 21:02:32,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:32,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:33,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:33,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:33,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:33,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 21:02:33,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 21:02:33,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 21:02:33,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 21:02:33,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (1/1) ... [2023-12-23 21:02:33,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 21:02:33,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 21:02:33,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 21:02:33,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 21:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 21:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 21:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 21:02:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 21:02:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 21:02:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 21:02:33,216 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 21:02:33,217 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 21:02:52,733 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 21:02:52,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 21:02:52,769 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 21:02:52,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:52 BoogieIcfgContainer [2023-12-23 21:02:52,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 21:02:52,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 21:02:52,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 21:02:52,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 21:02:52,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:02:32" (1/3) ... [2023-12-23 21:02:52,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440ebc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:52, skipping insertion in model container [2023-12-23 21:02:52,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:32" (2/3) ... [2023-12-23 21:02:52,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440ebc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:52, skipping insertion in model container [2023-12-23 21:02:52,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:52" (3/3) ... [2023-12-23 21:02:52,775 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-18.i [2023-12-23 21:02:52,787 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 21:02:52,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 21:02:52,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 21:02:52,821 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;@232272fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 21:02:52,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 21:02:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 21:02:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 21:02:52,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 21:02:52,835 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 21:02:52,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 21:02:52,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 21:02:52,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1746687983, now seen corresponding path program 1 times [2023-12-23 21:02:52,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 21:02:52,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626082642] [2023-12-23 21:02:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 21:02:52,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:02:52,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 21:02:52,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 21:02:52,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 21:02:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 21:02:54,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 21:02:54,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 21:02:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-12-23 21:02:54,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 21:02:54,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 21:02:54,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626082642] [2023-12-23 21:02:54,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626082642] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 21:02:54,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 21:02:54,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 21:02:54,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925997655] [2023-12-23 21:02:54,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 21:02:54,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 21:02:54,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 21:02:54,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 21:02:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 21:02:54,730 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 21:03:00,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:03:00,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 21:03:00,688 INFO L93 Difference]: Finished difference Result 154 states and 275 transitions. [2023-12-23 21:03:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 21:03:00,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-12-23 21:03:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 21:03:00,695 INFO L225 Difference]: With dead ends: 154 [2023-12-23 21:03:00,695 INFO L226 Difference]: Without dead ends: 75 [2023-12-23 21:03:00,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 21:03:00,700 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-23 21:03:00,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2023-12-23 21:03:00,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-23 21:03:00,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-12-23 21:03:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 21:03:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-12-23 21:03:00,786 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 176 [2023-12-23 21:03:00,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 21:03:00,787 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-12-23 21:03:00,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 21:03:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-12-23 21:03:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 21:03:00,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 21:03:00,790 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 21:03:00,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 21:03:01,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:03:01,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 21:03:01,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 21:03:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash -126101307, now seen corresponding path program 1 times [2023-12-23 21:03:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 21:03:01,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177137382] [2023-12-23 21:03:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 21:03:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:03:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 21:03:01,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 21:03:01,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 21:03:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 21:03:02,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 21:03:02,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 21:03:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-23 21:03:08,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 21:03:08,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 21:03:08,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177137382] [2023-12-23 21:03:08,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177137382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 21:03:08,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 21:03:08,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 21:03:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818590009] [2023-12-23 21:03:08,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 21:03:08,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 21:03:08,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 21:03:08,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 21:03:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-23 21:03:08,257 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-23 21:03:14,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 21:03:18,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 21:03:22,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 21:03:26,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 21:03:30,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 21:03:36,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:03:40,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:03:44,839 WARN L539 Checker$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 [] [2023-12-23 21:03:48,845 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 [0] [2023-12-23 21:03:49,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 21:03:49,405 INFO L93 Difference]: Finished difference Result 229 states and 355 transitions. [2023-12-23 21:03:49,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 21:03:49,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2023-12-23 21:03:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 21:03:49,408 INFO L225 Difference]: With dead ends: 229 [2023-12-23 21:03:49,409 INFO L226 Difference]: Without dead ends: 155 [2023-12-23 21:03:49,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-23 21:03:49,410 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 135 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 57 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2023-12-23 21:03:49,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 432 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 30 Invalid, 9 Unknown, 0 Unchecked, 40.8s Time] [2023-12-23 21:03:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-23 21:03:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2023-12-23 21:03:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 88 states have internal predecessors, (119), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-23 21:03:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 231 transitions. [2023-12-23 21:03:49,430 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 231 transitions. Word has length 176 [2023-12-23 21:03:49,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 21:03:49,431 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 231 transitions. [2023-12-23 21:03:49,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-23 21:03:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 231 transitions. [2023-12-23 21:03:49,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 21:03:49,433 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 21:03:49,433 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 21:03:49,469 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 (3)] Ended with exit code 0 [2023-12-23 21:03:49,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:03:49,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 21:03:49,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 21:03:49,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1462246595, now seen corresponding path program 1 times [2023-12-23 21:03:49,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 21:03:49,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143491987] [2023-12-23 21:03:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 21:03:49,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:03:49,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 21:03:49,655 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 21:03:49,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 21:03:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 21:03:51,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 21:03:51,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 21:03:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 532 proven. 21 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2023-12-23 21:03:54,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 21:03:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 135 proven. 24 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-12-23 21:03:58,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 21:03:58,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143491987] [2023-12-23 21:03:58,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143491987] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 21:03:58,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 21:03:58,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-23 21:03:58,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555199855] [2023-12-23 21:03:58,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 21:03:58,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-23 21:03:58,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 21:03:58,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-23 21:03:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-23 21:03:58,170 INFO L87 Difference]: Start difference. First operand 147 states and 231 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-23 21:04:10,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:14,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:18,697 WARN L539 Checker$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 [] [2023-12-23 21:04:22,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:26,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:32,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:36,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:40,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:44,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:48,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:04:52,731 WARN L539 Checker$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 [] [2023-12-23 21:04:56,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:00,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:04,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:08,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:12,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:16,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:20,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 21:05:27,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 21:05:27,299 INFO L93 Difference]: Finished difference Result 633 states and 947 transitions. [2023-12-23 21:05:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-12-23 21:05:27,300 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 176 [2023-12-23 21:05:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 21:05:27,304 INFO L225 Difference]: With dead ends: 633 [2023-12-23 21:05:27,304 INFO L226 Difference]: Without dead ends: 487 [2023-12-23 21:05:27,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 341 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=500, Invalid=1306, Unknown=0, NotChecked=0, Total=1806 [2023-12-23 21:05:27,306 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 590 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 497 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.8s IncrementalHoareTripleChecker+Time [2023-12-23 21:05:27,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 310 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 376 Invalid, 18 Unknown, 0 Unchecked, 83.8s Time] [2023-12-23 21:05:27,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-23 21:05:27,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 179. [2023-12-23 21:05:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 116 states have internal predecessors, (151), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-23 21:05:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 263 transitions. [2023-12-23 21:05:27,372 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 263 transitions. Word has length 176 [2023-12-23 21:05:27,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 21:05:27,373 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 263 transitions. [2023-12-23 21:05:27,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 3 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2023-12-23 21:05:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2023-12-23 21:05:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-23 21:05:27,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 21:05:27,378 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 21:05:27,415 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 (4)] Ended with exit code 0 [2023-12-23 21:05:27,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:05:27,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 21:05:27,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 21:05:27,599 INFO L85 PathProgramCache]: Analyzing trace with hash -632857799, now seen corresponding path program 1 times [2023-12-23 21:05:27,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 21:05:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644325903] [2023-12-23 21:05:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 21:05:27,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 21:05:27,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 21:05:27,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 21:05:27,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 21:05:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 21:05:29,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-23 21:05:29,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 21:07:30,009 WARN L293 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:07:38,861 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:07:47,735 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:07:56,674 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:08:05,582 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:08:14,681 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:08:23,610 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:08:37,435 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:08:47,250 WARN L293 SmtUtils]: Spent 8.92s 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) [2023-12-23 21:08:56,204 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:09:05,118 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 21:09:14,068 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 21:09:23,010 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:09:31,969 WARN L293 SmtUtils]: Spent 8.96s 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) [2023-12-23 21:09:40,920 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:09:49,854 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:09:58,826 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:07,782 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:16,762 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:25,721 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:34,686 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:43,630 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:10:52,606 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:01,562 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:10,110 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:19,042 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:28,029 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:36,999 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:45,949 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:11:54,863 WARN L293 SmtUtils]: Spent 8.91s 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) [2023-12-23 21:11:59,140 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 (bvneg .cse9)) (.cse6 ((_ zero_extend 24) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_13~0))) (and (fp.leq c_~var_1_24~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= (fp.neg c_~var_1_7~0) c_~var_1_25~0)) (and (= c_~var_1_25~0 c_~var_1_7~0) (not .cse1)))) (= (_ bv1 8) c_~var_1_34~0) (let ((.cse4 ((_ sign_extend 24) c_~last_1_var_1_18~0)) (.cse3 (bvadd .cse5 (_ bv1781986326 32) .cse6))) (let ((.cse2 (bvugt .cse4 .cse3))) (or (and (not .cse2) (= .cse3 c_~var_1_30~0)) (and (= .cse4 c_~var_1_30~0) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_36~0) (_ bv1 32)) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7)) c_~var_1_31~0) (fp.leq c_~var_1_25~0 (fp.add c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_7~0 c_~var_1_22~0) c_~var_1_25~0)) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 49.0 5.0)) c_~var_1_24~0)) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)))) (= c_~var_1_38~0 ((_ zero_extend 24) c_~var_1_31~0)) (bvsle .cse9 (_ bv31 32)) (bvsle .cse6 (_ bv63 32)) (fp.geq c_~var_1_24~0 .cse8) (= c_~last_1_var_1_30~0 (_ bv5 32)) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_21~0))) (or (fp.leq .cse10 c_~var_1_7~0) (fp.leq .cse10 c_~var_1_22~0))) (bvsge ((_ zero_extend 24) c_~var_1_35~0) (_ bv1 32)) (bvsge .cse9 (_ bv0 32)) (= ((_ extract 7 0) (bvadd .cse5 (_ bv4294967290 32) .cse6)) c_~var_1_14~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse7 (_ bv127 32))))) is different from false [2023-12-23 21:12:03,403 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 (bvneg .cse9)) (.cse6 ((_ zero_extend 24) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_13~0))) (and (fp.leq c_~var_1_24~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= (fp.neg c_~var_1_7~0) c_~var_1_25~0)) (and (= c_~var_1_25~0 c_~var_1_7~0) (not .cse1)))) (= (_ bv1 8) c_~var_1_34~0) (let ((.cse4 ((_ sign_extend 24) c_~last_1_var_1_18~0)) (.cse3 (bvadd .cse5 (_ bv1781986326 32) .cse6))) (let ((.cse2 (bvugt .cse4 .cse3))) (or (and (not .cse2) (= .cse3 c_~var_1_30~0)) (and (= .cse4 c_~var_1_30~0) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_36~0) (_ bv1 32)) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7)) c_~var_1_31~0) (fp.leq c_~var_1_25~0 (fp.add c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_7~0 c_~var_1_22~0) c_~var_1_25~0)) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 49.0 5.0)) c_~var_1_24~0)) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)))) (= c_~var_1_38~0 ((_ zero_extend 24) c_~var_1_31~0)) (bvsle .cse9 (_ bv31 32)) (bvsle .cse6 (_ bv63 32)) (fp.geq c_~var_1_24~0 .cse8) (= c_~last_1_var_1_30~0 (_ bv5 32)) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_21~0))) (or (fp.leq .cse10 c_~var_1_7~0) (fp.leq .cse10 c_~var_1_22~0))) (bvsge ((_ zero_extend 24) c_~var_1_35~0) (_ bv1 32)) (bvsge .cse9 (_ bv0 32)) (= ((_ extract 7 0) (bvadd .cse5 (_ bv4294967290 32) .cse6)) c_~var_1_14~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse7 (_ bv127 32))))) is different from true [2023-12-23 21:12:12,398 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:12:21,377 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:12:30,370 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:12:39,356 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:12:48,326 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:12:57,295 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:06,298 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:15,268 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:24,244 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:33,201 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:42,171 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:13:51,127 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:00,091 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:09,055 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:18,005 WARN L293 SmtUtils]: Spent 8.95s 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) [2023-12-23 21:14:26,970 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:35,936 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:44,892 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:14:53,842 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:02,797 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:11,765 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:20,734 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:29,694 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:38,682 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:47,706 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:15:56,274 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:05,237 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:14,199 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:23,192 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:32,154 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:41,110 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:16:45,372 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 (bvneg .cse9)) (.cse6 ((_ zero_extend 24) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_7~0 c_~var_1_6~0) (fp.leq c_~var_1_24~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= (fp.neg c_~var_1_7~0) c_~var_1_25~0)) (and (= c_~var_1_25~0 c_~var_1_7~0) (not .cse1)))) (= (_ bv1 8) c_~var_1_34~0) (let ((.cse4 ((_ sign_extend 24) c_~last_1_var_1_18~0)) (.cse3 (bvadd .cse5 (_ bv1781986326 32) .cse6))) (let ((.cse2 (bvugt .cse4 .cse3))) (or (and (not .cse2) (= .cse3 c_~var_1_30~0)) (and (= .cse4 c_~var_1_30~0) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_36~0) (_ bv1 32)) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7)) c_~var_1_31~0) (fp.leq c_~var_1_25~0 (fp.add c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_7~0 c_~var_1_22~0) c_~var_1_25~0)) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 49.0 5.0)) c_~var_1_24~0)) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)))) (= c_~var_1_38~0 ((_ zero_extend 24) c_~var_1_31~0)) (bvsle .cse9 (_ bv31 32)) (bvsle .cse6 (_ bv63 32)) (fp.geq c_~var_1_24~0 .cse8) (= c_~last_1_var_1_30~0 (_ bv5 32)) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_21~0))) (or (fp.leq .cse10 c_~var_1_7~0) (fp.leq .cse10 c_~var_1_22~0))) (bvsge ((_ zero_extend 24) c_~var_1_35~0) (_ bv1 32)) (bvsge .cse9 (_ bv0 32)) (= ((_ extract 7 0) (bvadd .cse5 (_ bv4294967290 32) .cse6)) c_~var_1_14~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse7 (_ bv127 32))))) is different from false [2023-12-23 21:16:49,643 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 (bvneg .cse9)) (.cse6 ((_ zero_extend 24) c_~var_1_12~0)) (.cse7 ((_ zero_extend 24) c_~var_1_13~0))) (and (= c_~var_1_7~0 c_~var_1_6~0) (fp.leq c_~var_1_24~0 .cse0) (let ((.cse1 (fp.lt c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and .cse1 (= (fp.neg c_~var_1_7~0) c_~var_1_25~0)) (and (= c_~var_1_25~0 c_~var_1_7~0) (not .cse1)))) (= (_ bv1 8) c_~var_1_34~0) (let ((.cse4 ((_ sign_extend 24) c_~last_1_var_1_18~0)) (.cse3 (bvadd .cse5 (_ bv1781986326 32) .cse6))) (let ((.cse2 (bvugt .cse4 .cse3))) (or (and (not .cse2) (= .cse3 c_~var_1_30~0)) (and (= .cse4 c_~var_1_30~0) .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_36~0) (_ bv1 32)) (= ((_ extract 7 0) (bvadd (bvneg .cse6) .cse7)) c_~var_1_31~0) (fp.leq c_~var_1_25~0 (fp.add c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_7~0 c_~var_1_22~0) c_~var_1_25~0)) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 49.0 5.0)) c_~var_1_24~0)) (or (and (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)))) (= c_~var_1_38~0 ((_ zero_extend 24) c_~var_1_31~0)) (bvsle .cse9 (_ bv31 32)) (bvsle .cse6 (_ bv63 32)) (fp.geq c_~var_1_24~0 .cse8) (= c_~last_1_var_1_30~0 (_ bv5 32)) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_21~0))) (or (fp.leq .cse10 c_~var_1_7~0) (fp.leq .cse10 c_~var_1_22~0))) (bvsge ((_ zero_extend 24) c_~var_1_35~0) (_ bv1 32)) (bvsge .cse9 (_ bv0 32)) (= ((_ extract 7 0) (bvadd .cse5 (_ bv4294967290 32) .cse6)) c_~var_1_14~0) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge .cse7 (_ bv127 32))))) is different from true [2023-12-23 21:16:58,665 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:17:07,626 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 21:17:16,620 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 21:17:17,760 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 21:17:17,787 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 21:17:18,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 21:17:18,989 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 21:17:19,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-23 21:17:19,114 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 21:17:19,114 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 178 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 21:17:19,117 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 21:17:19,119 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 21:17:19,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:17:19 BoogieIcfgContainer [2023-12-23 21:17:19,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 21:17:19,123 INFO L158 Benchmark]: Toolchain (without parser) took 886603.46ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 126.1MB in the beginning and 179.8MB in the end (delta: -53.7MB). Peak memory consumption was 111.5MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,123 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 189.8MB. Free memory was 138.6MB in the beginning and 138.5MB in the end (delta: 164.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 21:17:19,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.46ms. Allocated memory is still 189.8MB. Free memory was 125.9MB in the beginning and 109.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.87ms. Allocated memory is still 189.8MB. Free memory was 109.0MB in the beginning and 105.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,124 INFO L158 Benchmark]: Boogie Preprocessor took 87.45ms. Allocated memory is still 189.8MB. Free memory was 105.9MB in the beginning and 101.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,124 INFO L158 Benchmark]: RCFGBuilder took 19753.50ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 101.4MB in the beginning and 167.7MB in the end (delta: -66.2MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,124 INFO L158 Benchmark]: TraceAbstraction took 866351.38ms. Allocated memory is still 228.6MB. Free memory was 167.2MB in the beginning and 179.8MB in the end (delta: -12.7MB). Peak memory consumption was 112.1MB. Max. memory is 8.0GB. [2023-12-23 21:17:19,127 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 189.8MB. Free memory was 138.6MB in the beginning and 138.5MB in the end (delta: 164.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 352.46ms. Allocated memory is still 189.8MB. Free memory was 125.9MB in the beginning and 109.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.87ms. Allocated memory is still 189.8MB. Free memory was 109.0MB in the beginning and 105.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.45ms. Allocated memory is still 189.8MB. Free memory was 105.9MB in the beginning and 101.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 19753.50ms. Allocated memory was 189.8MB in the beginning and 228.6MB in the end (delta: 38.8MB). Free memory was 101.4MB in the beginning and 167.7MB in the end (delta: -66.2MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * TraceAbstraction took 866351.38ms. Allocated memory is still 228.6MB. Free memory was 167.2MB in the beginning and 179.8MB in the end (delta: -12.7MB). Peak memory consumption was 112.1MB. 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 178 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.3s, OverallIterations: 4, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 136.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 mSolverCounterUnknown, 748 SdHoareTripleChecker+Valid, 130.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 725 mSDsluCounter, 856 SdHoareTripleChecker+Invalid, 127.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 561 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 410 IncrementalHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 295 mSDtfsCounter, 410 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 736 GetRequests, 688 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=3, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 316 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 700 ConstructedInterpolants, 1 QuantifiedInterpolants, 1438 SizeOfPredicates, 11 NumberOfNonLiveVariables, 904 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 6003/6048 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