/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-73.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 06:33:20,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 06:33:20,664 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 06:33:20,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 06:33:20,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 06:33:20,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 06:33:20,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 06:33:20,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 06:33:20,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 06:33:20,695 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 06:33:20,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 06:33:20,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 06:33:20,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 06:33:20,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 06:33:20,697 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 06:33:20,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 06:33:20,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 06:33:20,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 06:33:20,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 06:33:20,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 06:33:20,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 06:33:20,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 06:33:20,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 06:33:20,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 06:33:20,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 06:33:20,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:33:20,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 06:33:20,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 06:33:20,703 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 06:33:20,703 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 06:33:20,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 06:33:20,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 06:33:20,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 06:33:20,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 06:33:20,935 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 06:33:20,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-73.i [2023-12-23 06:33:22,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 06:33:22,588 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 06:33:22,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-73.i [2023-12-23 06:33:22,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f85a1b59/aec9847ba2ca4ce8a7411a539a6e60dd/FLAG4016b80fd [2023-12-23 06:33:22,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f85a1b59/aec9847ba2ca4ce8a7411a539a6e60dd [2023-12-23 06:33:22,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 06:33:22,617 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 06:33:22,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 06:33:22,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 06:33:22,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 06:33:22,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efd0119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22, skipping insertion in model container [2023-12-23 06:33:22,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 06:33:22,752 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-73.i[915,928] [2023-12-23 06:33:22,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:33:22,824 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 06:33:22,833 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-73.i[915,928] [2023-12-23 06:33:22,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:33:22,879 INFO L206 MainTranslator]: Completed translation [2023-12-23 06:33:22,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22 WrapperNode [2023-12-23 06:33:22,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 06:33:22,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 06:33:22,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 06:33:22,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 06:33:22,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,926 INFO L138 Inliner]: procedures = 27, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2023-12-23 06:33:22,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 06:33:22,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 06:33:22,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 06:33:22,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 06:33:22,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,948 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,976 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 06:33:22,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:22,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:23,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:23,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:23,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:23,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 06:33:23,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 06:33:23,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 06:33:23,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 06:33:23,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (1/1) ... [2023-12-23 06:33:23,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:33:23,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 06:33:23,075 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 06:33:23,086 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 06:33:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 06:33:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 06:33:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 06:33:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 06:33:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 06:33:23,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 06:33:23,209 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 06:33:23,211 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 06:33:45,094 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 06:33:45,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 06:33:45,154 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 06:33:45,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:33:45 BoogieIcfgContainer [2023-12-23 06:33:45,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 06:33:45,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 06:33:45,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 06:33:45,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 06:33:45,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:33:22" (1/3) ... [2023-12-23 06:33:45,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c292fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:33:45, skipping insertion in model container [2023-12-23 06:33:45,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:33:22" (2/3) ... [2023-12-23 06:33:45,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c292fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:33:45, skipping insertion in model container [2023-12-23 06:33:45,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:33:45" (3/3) ... [2023-12-23 06:33:45,170 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-73.i [2023-12-23 06:33:45,183 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 06:33:45,183 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 06:33:45,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 06:33:45,241 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;@3b390925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 06:33:45,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 06:33:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-23 06:33:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-23 06:33:45,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:33:45,284 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:33:45,285 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:33:45,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:33:45,290 INFO L85 PathProgramCache]: Analyzing trace with hash -138598612, now seen corresponding path program 1 times [2023-12-23 06:33:45,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:33:45,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611253112] [2023-12-23 06:33:45,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:33:45,304 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 06:33:45,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:33:45,306 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 06:33:45,308 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 06:33:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:33:46,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 06:33:46,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:33:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1310 proven. 0 refuted. 0 times theorem prover too weak. 2474 trivial. 0 not checked. [2023-12-23 06:33:46,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:33:46,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:33:46,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611253112] [2023-12-23 06:33:46,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611253112] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:33:46,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:33:46,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 06:33:46,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053888368] [2023-12-23 06:33:46,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:33:46,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 06:33:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:33:46,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 06:33:46,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 06:33:46,700 INFO L87 Difference]: Start difference. First operand has 105 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-23 06:33:50,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:33:50,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:33:50,952 INFO L93 Difference]: Finished difference Result 207 states and 386 transitions. [2023-12-23 06:33:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 06:33:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 266 [2023-12-23 06:33:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:33:51,038 INFO L225 Difference]: With dead ends: 207 [2023-12-23 06:33:51,038 INFO L226 Difference]: Without dead ends: 103 [2023-12-23 06:33:51,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 265 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 06:33:51,043 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 06:33:51,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 06:33:51,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-12-23 06:33:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-12-23 06:33:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-23 06:33:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 167 transitions. [2023-12-23 06:33:51,084 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 167 transitions. Word has length 266 [2023-12-23 06:33:51,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:33:51,085 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 167 transitions. [2023-12-23 06:33:51,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-23 06:33:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 167 transitions. [2023-12-23 06:33:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-23 06:33:51,091 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:33:51,091 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:33:51,120 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 [2023-12-23 06:33:51,306 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 06:33:51,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:33:51,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:33:51,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2120543720, now seen corresponding path program 1 times [2023-12-23 06:33:51,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:33:51,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583295382] [2023-12-23 06:33:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:33:51,309 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 06:33:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:33:51,311 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 06:33:51,334 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 06:33:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:33:52,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 06:33:52,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:33:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2023-12-23 06:33:52,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:33:52,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:33:52,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583295382] [2023-12-23 06:33:52,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583295382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:33:52,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:33:52,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 06:33:52,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672054461] [2023-12-23 06:33:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:33:52,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 06:33:52,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:33:52,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 06:33:52,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:33:52,709 INFO L87 Difference]: Start difference. First operand 103 states and 167 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2023-12-23 06:33:57,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:34:01,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:34:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:34:01,720 INFO L93 Difference]: Finished difference Result 265 states and 428 transitions. [2023-12-23 06:34:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 06:34:01,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2023-12-23 06:34:01,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:34:01,724 INFO L225 Difference]: With dead ends: 265 [2023-12-23 06:34:01,724 INFO L226 Difference]: Without dead ends: 163 [2023-12-23 06:34:01,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:34:01,727 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 90 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-23 06:34:01,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 318 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-12-23 06:34:01,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-23 06:34:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 160. [2023-12-23 06:34:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 93 states have internal predecessors, (129), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-23 06:34:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 259 transitions. [2023-12-23 06:34:01,753 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 259 transitions. Word has length 266 [2023-12-23 06:34:01,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:34:01,755 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 259 transitions. [2023-12-23 06:34:01,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2023-12-23 06:34:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 259 transitions. [2023-12-23 06:34:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-12-23 06:34:01,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:34:01,761 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:34:01,807 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 06:34:01,983 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 06:34:01,983 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:34:01,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:34:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1533737706, now seen corresponding path program 1 times [2023-12-23 06:34:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:34:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406470053] [2023-12-23 06:34:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:34:01,985 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 06:34:01,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:34:01,989 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 06:34:01,990 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 06:34:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:34:03,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 06:34:03,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:34:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2023-12-23 06:34:04,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:34:04,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:34:04,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406470053] [2023-12-23 06:34:04,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406470053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:34:04,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:34:04,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 06:34:04,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451844913] [2023-12-23 06:34:04,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:34:04,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 06:34:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:34:04,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 06:34:04,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:34:04,025 INFO L87 Difference]: Start difference. First operand 160 states and 259 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2023-12-23 06:34:08,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:34:12,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:34:16,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:34:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:34:16,513 INFO L93 Difference]: Finished difference Result 329 states and 527 transitions. [2023-12-23 06:34:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 06:34:16,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2023-12-23 06:34:16,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:34:16,516 INFO L225 Difference]: With dead ends: 329 [2023-12-23 06:34:16,516 INFO L226 Difference]: Without dead ends: 170 [2023-12-23 06:34:16,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:34:16,519 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 94 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-12-23 06:34:16,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 372 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2023-12-23 06:34:16,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-23 06:34:16,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 115. [2023-12-23 06:34:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-23 06:34:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 182 transitions. [2023-12-23 06:34:16,533 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 182 transitions. Word has length 266 [2023-12-23 06:34:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:34:16,534 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 182 transitions. [2023-12-23 06:34:16,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2023-12-23 06:34:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 182 transitions. [2023-12-23 06:34:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-12-23 06:34:16,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:34:16,538 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:34:16,580 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 06:34:16,752 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 06:34:16,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:34:16,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:34:16,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1538457246, now seen corresponding path program 1 times [2023-12-23 06:34:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:34:16,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230651277] [2023-12-23 06:34:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:34:16,759 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 06:34:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:34:16,761 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 06:34:16,815 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 06:34:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:34:18,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-23 06:34:18,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:35:02,698 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) [2023-12-23 06:35:09,245 WARN L293 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:35:16,906 WARN L293 SmtUtils]: Spent 7.66s 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 06:35:25,158 WARN L293 SmtUtils]: Spent 8.25s 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 06:35:37,118 WARN L293 SmtUtils]: Spent 7.78s 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 06:35:45,366 WARN L293 SmtUtils]: Spent 8.25s 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 06:35:53,955 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 06:36:13,516 WARN L293 SmtUtils]: Spent 8.19s 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 06:36:21,675 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) [2023-12-23 06:36:29,927 WARN L293 SmtUtils]: Spent 8.25s 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 06:36:41,570 WARN L293 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:36:49,828 WARN L293 SmtUtils]: Spent 8.26s 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 06:36:57,369 WARN L293 SmtUtils]: Spent 7.54s 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 06:37:02,577 WARN L293 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:37:06,654 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 06:37:10,710 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 06:37:16,659 WARN L293 SmtUtils]: Spent 5.91s 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 06:37:24,901 WARN L293 SmtUtils]: Spent 8.24s 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 06:37:32,632 WARN L293 SmtUtils]: Spent 7.73s 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 06:37:38,849 WARN L293 SmtUtils]: Spent 6.22s 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 06:37:53,107 WARN L293 SmtUtils]: Spent 5.49s 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 06:38:01,320 WARN L293 SmtUtils]: Spent 8.21s 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 06:38:13,156 WARN L293 SmtUtils]: Spent 8.28s 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 06:38:21,384 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:38:29,514 WARN L293 SmtUtils]: Spent 7.93s 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 06:38:37,780 WARN L293 SmtUtils]: Spent 8.27s 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 06:38:46,065 WARN L293 SmtUtils]: Spent 8.28s 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 06:39:03,066 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:39:11,339 WARN L293 SmtUtils]: Spent 8.27s 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 06:39:18,165 WARN L293 SmtUtils]: Spent 6.83s 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 06:39:26,354 WARN L293 SmtUtils]: Spent 8.19s 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 06:39:34,561 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:39:42,826 WARN L293 SmtUtils]: Spent 8.26s 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 06:39:49,972 WARN L293 SmtUtils]: Spent 7.15s 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) [2023-12-23 06:40:01,043 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_24~0)) (.cse6 ((_ sign_extend 24) c_~var_1_25~0))) (let ((.cse4 (bvslt .cse3 .cse6))) (let ((.cse0 (bvslt .cse3 (_ bv0 32))) (.cse1 (not .cse4)) (.cse2 (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse6))))) (or (and .cse0 (or (and .cse1 .cse2) (and (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse3))) .cse4))) (and (not .cse0) (let ((.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (not .cse5) (or (and (= c_~var_1_23~0 ((_ extract 7 0) .cse6)) .cse1) (and (= c_~var_1_23~0 ((_ extract 7 0) .cse3)) .cse4))) (and .cse5 .cse2)))))))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))))) (fp.gt c_~var_1_1~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 06:40:05,108 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (let ((.cse3 ((_ sign_extend 24) c_~var_1_24~0)) (.cse6 ((_ sign_extend 24) c_~var_1_25~0))) (let ((.cse4 (bvslt .cse3 .cse6))) (let ((.cse0 (bvslt .cse3 (_ bv0 32))) (.cse1 (not .cse4)) (.cse2 (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse6))))) (or (and .cse0 (or (and .cse1 .cse2) (and (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse3))) .cse4))) (and (not .cse0) (let ((.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (not .cse5) (or (and (= c_~var_1_23~0 ((_ extract 7 0) .cse6)) .cse1) (and (= c_~var_1_23~0 ((_ extract 7 0) .cse3)) .cse4))) (and .cse5 .cse2)))))))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))))) (fp.gt c_~var_1_1~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 06:40:13,391 WARN L293 SmtUtils]: Spent 8.26s 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 06:40:19,619 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:40:39,413 WARN L293 SmtUtils]: Spent 8.25s 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 06:40:46,155 WARN L293 SmtUtils]: Spent 6.74s 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 06:40:57,556 WARN L293 SmtUtils]: Spent 6.78s 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 06:41:06,396 WARN L293 SmtUtils]: Spent 6.80s 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 06:41:14,587 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:41:21,726 WARN L293 SmtUtils]: Spent 7.14s 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 06:41:34,545 WARN L293 SmtUtils]: Spent 7.94s 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 06:41:42,803 WARN L293 SmtUtils]: Spent 8.26s 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 06:41:51,073 WARN L293 SmtUtils]: Spent 8.27s 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 06:41:59,284 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:42:07,552 WARN L293 SmtUtils]: Spent 8.27s 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 06:42:15,819 WARN L293 SmtUtils]: Spent 8.27s 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 06:42:24,030 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:42:36,474 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:42:44,737 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:42:48,816 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_25~0))) (and (= c_~var_1_26~0 .cse0) (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (let ((.cse4 ((_ sign_extend 24) c_~var_1_24~0))) (let ((.cse5 (bvslt .cse4 .cse0))) (let ((.cse1 (bvslt .cse4 (_ bv0 32))) (.cse2 (not .cse5)) (.cse3 (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse0))))) (or (and .cse1 (or (and .cse2 .cse3) (and (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse4))) .cse5))) (and (not .cse1) (let ((.cse6 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse6) (or (and (= c_~var_1_23~0 ((_ extract 7 0) .cse0)) .cse2) (and (= c_~var_1_23~0 ((_ extract 7 0) .cse4)) .cse5))) (and .cse6 .cse3)))))))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))))) (fp.gt c_~var_1_1~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 06:42:52,878 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_25~0))) (and (= c_~var_1_26~0 .cse0) (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (let ((.cse4 ((_ sign_extend 24) c_~var_1_24~0))) (let ((.cse5 (bvslt .cse4 .cse0))) (let ((.cse1 (bvslt .cse4 (_ bv0 32))) (.cse2 (not .cse5)) (.cse3 (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse0))))) (or (and .cse1 (or (and .cse2 .cse3) (and (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse4))) .cse5))) (and (not .cse1) (let ((.cse6 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse6) (or (and (= c_~var_1_23~0 ((_ extract 7 0) .cse0)) .cse2) (and (= c_~var_1_23~0 ((_ extract 7 0) .cse4)) .cse5))) (and .cse6 .cse3)))))))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))))) (fp.gt c_~var_1_1~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 06:43:01,167 WARN L293 SmtUtils]: Spent 8.27s 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 06:43:09,341 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) [2023-12-23 06:43:14,386 WARN L293 SmtUtils]: Spent 5.04s 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 06:43:22,675 WARN L293 SmtUtils]: Spent 8.29s 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 06:43:30,959 WARN L293 SmtUtils]: Spent 8.28s 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 06:43:39,255 WARN L293 SmtUtils]: Spent 8.30s 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 06:43:46,667 WARN L293 SmtUtils]: Spent 7.41s 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 06:43:54,629 WARN L293 SmtUtils]: Spent 7.96s 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 06:44:00,143 WARN L293 SmtUtils]: Spent 5.51s 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 06:44:06,328 WARN L293 SmtUtils]: Spent 6.18s 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 06:44:11,853 WARN L293 SmtUtils]: Spent 5.52s 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 06:44:19,591 WARN L293 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:44:24,907 WARN L293 SmtUtils]: Spent 5.32s 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 06:44:33,125 WARN L293 SmtUtils]: Spent 8.20s 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 06:44:44,673 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:44:52,927 WARN L293 SmtUtils]: Spent 8.25s 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 06:44:59,272 WARN L293 SmtUtils]: Spent 6.34s 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 06:45:04,767 WARN L293 SmtUtils]: Spent 5.49s 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 06:45:09,870 WARN L293 SmtUtils]: Spent 5.10s 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 06:45:17,611 WARN L293 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:45:25,880 WARN L293 SmtUtils]: Spent 8.27s 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 06:45:34,163 WARN L293 SmtUtils]: Spent 8.28s 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 06:45:41,821 WARN L293 SmtUtils]: Spent 7.66s 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 06:45:50,034 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:45:58,315 WARN L293 SmtUtils]: Spent 8.28s 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 06:46:04,733 WARN L293 SmtUtils]: Spent 6.42s 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 06:46:10,709 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) c_~var_1_25~0))) (and (let ((.cse0 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse1 (bvslt c_~var_1_26~0 .cse0))) (or (and (= .cse0 c_~var_1_13~0) (not .cse1)) (and (= c_~var_1_26~0 c_~var_1_13~0) .cse1)))) (= c_~var_1_26~0 .cse2) (not (fp.geq c_~var_1_3~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_12~0) c_~var_1_4~0))) (let ((.cse6 ((_ sign_extend 24) c_~var_1_24~0))) (let ((.cse7 (bvslt .cse6 .cse2))) (let ((.cse3 (bvslt .cse6 (_ bv0 32))) (.cse4 (not .cse7)) (.cse5 (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse2))))) (or (and .cse3 (or (and .cse4 .cse5) (and (= c_~var_1_23~0 ((_ extract 7 0) (bvneg .cse6))) .cse7))) (and (not .cse3) (let ((.cse8 (bvslt .cse2 (_ bv0 32)))) (or (and (not .cse8) (or (and (= c_~var_1_23~0 ((_ extract 7 0) .cse2)) .cse4) (and (= c_~var_1_23~0 ((_ extract 7 0) .cse6)) .cse7))) (and .cse8 .cse5)))))))) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_18~0)) c_~var_1_22~0) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_8~0)) (= c_~var_1_8~0 c_~var_1_1~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (fp.geq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))))) (fp.gt c_~var_1_1~0 c_~var_1_5~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 06:46:20,057 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:46:28,214 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) [2023-12-23 06:46:34,566 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:46:42,774 WARN L293 SmtUtils]: Spent 8.21s 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 06:46:49,533 WARN L293 SmtUtils]: Spent 6.76s 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 06:46:57,795 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:47:03,499 WARN L293 SmtUtils]: Spent 5.70s 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 06:47:11,771 WARN L293 SmtUtils]: Spent 8.27s 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 06:47:19,924 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) [2023-12-23 06:47:28,141 WARN L293 SmtUtils]: Spent 8.22s 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 06:47:38,830 WARN L293 SmtUtils]: Spent 7.24s 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 06:47:47,107 WARN L293 SmtUtils]: Spent 8.28s 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 06:47:55,312 WARN L293 SmtUtils]: Spent 8.20s 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 06:48:04,869 WARN L293 SmtUtils]: Spent 6.20s 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) Received shutdown request... [2023-12-23 06:48:07,744 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 06:48:07,765 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 06:48:08,774 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 06:48:08,966 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 06:48:09,021 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 06:48:09,021 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 268 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 06:48:09,026 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 06:48:09,028 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 06:48:09,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:48:09 BoogieIcfgContainer [2023-12-23 06:48:09,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 06:48:09,030 INFO L158 Benchmark]: Toolchain (without parser) took 886413.34ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 139.8MB in the beginning and 161.9MB in the end (delta: -22.1MB). Peak memory consumption was 62.4MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,030 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 188.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 06:48:09,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.21ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 122.3MB in the end (delta: 17.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.89ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 119.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,031 INFO L158 Benchmark]: Boogie Preprocessor took 89.17ms. Allocated memory is still 188.7MB. Free memory was 119.4MB in the beginning and 115.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,031 INFO L158 Benchmark]: RCFGBuilder took 22122.22ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 115.4MB in the beginning and 221.8MB in the end (delta: -106.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,032 INFO L158 Benchmark]: TraceAbstraction took 863866.29ms. Allocated memory is still 272.6MB. Free memory was 221.2MB in the beginning and 161.9MB in the end (delta: 59.4MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. [2023-12-23 06:48:09,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-23 06:48:09,038 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 188.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 261.21ms. Allocated memory is still 188.7MB. Free memory was 139.5MB in the beginning and 122.3MB in the end (delta: 17.2MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.89ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 119.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 89.17ms. Allocated memory is still 188.7MB. Free memory was 119.4MB in the beginning and 115.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 22122.22ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 115.4MB in the beginning and 221.8MB in the end (delta: -106.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 863866.29ms. Allocated memory is still 272.6MB. Free memory was 221.2MB in the beginning and 161.9MB in the end (delta: 59.4MB). Peak memory consumption was 60.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 268 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 863.8s, OverallIterations: 4, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 25.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 25.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 854 SdHoareTripleChecker+Invalid, 25.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 546 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 795 GetRequests, 793 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 3 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 798 NumberOfCodeBlocks, 798 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1302 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 11352/11352 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