/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_50-while_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 04:39:30,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 04:39:30,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 04:39:30,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 04:39:30,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 04:39:30,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 04:39:30,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 04:39:30,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 04:39:30,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 04:39:30,737 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 04:39:30,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 04:39:30,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 04:39:30,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 04:39:30,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 04:39:30,739 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 04:39:30,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 04:39:30,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 04:39:30,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 04:39:30,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 04:39:30,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 04:39:30,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 04:39:30,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 04:39:30,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 04:39:30,748 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 04:39:30,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 04:39:30,749 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 04:39:30,749 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 04:39:30,749 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 04:39:30,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 04:39:30,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 04:39:30,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 04:39:30,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 04:39:30,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 04:39:30,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 04:39:30,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 04:39:30,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 04:39:30,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 04:39:30,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 04:39:30,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 04:39:30,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 04:39:30,753 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 04:39:30,753 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 04:39:30,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 04:39:31,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 04:39:31,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 04:39:31,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 04:39:31,017 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 04:39:31,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-95.i [2023-12-24 04:39:32,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 04:39:32,422 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 04:39:32,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-95.i [2023-12-24 04:39:32,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b70d394/76008a64ede54d838bd0ae9493d3cf9f/FLAG48d4cb40e [2023-12-24 04:39:32,444 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b70d394/76008a64ede54d838bd0ae9493d3cf9f [2023-12-24 04:39:32,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 04:39:32,450 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 04:39:32,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 04:39:32,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 04:39:32,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 04:39:32,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41738cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32, skipping insertion in model container [2023-12-24 04:39:32,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 04:39:32,658 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_50-while_file-95.i[915,928] [2023-12-24 04:39:32,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 04:39:32,744 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 04:39:32,758 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_50-while_file-95.i[915,928] [2023-12-24 04:39:32,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 04:39:32,819 INFO L206 MainTranslator]: Completed translation [2023-12-24 04:39:32,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32 WrapperNode [2023-12-24 04:39:32,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 04:39:32,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 04:39:32,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 04:39:32,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 04:39:32,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,882 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-12-24 04:39:32,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 04:39:32,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 04:39:32,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 04:39:32,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 04:39:32,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,926 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-24 04:39:32,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 04:39:32,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 04:39:32,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 04:39:32,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 04:39:32,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (1/1) ... [2023-12-24 04:39:32,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 04:39:32,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 04:39:33,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-24 04:39:33,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-24 04:39:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 04:39:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 04:39:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 04:39:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 04:39:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 04:39:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 04:39:33,135 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 04:39:33,139 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 04:39:44,171 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 04:39:44,207 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 04:39:44,208 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 04:39:44,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:39:44 BoogieIcfgContainer [2023-12-24 04:39:44,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 04:39:44,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 04:39:44,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 04:39:44,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 04:39:44,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 04:39:32" (1/3) ... [2023-12-24 04:39:44,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296415d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:39:44, skipping insertion in model container [2023-12-24 04:39:44,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:39:32" (2/3) ... [2023-12-24 04:39:44,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296415d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:39:44, skipping insertion in model container [2023-12-24 04:39:44,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:39:44" (3/3) ... [2023-12-24 04:39:44,216 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-95.i [2023-12-24 04:39:44,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 04:39:44,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 04:39:44,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 04:39:44,292 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;@25400f75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 04:39:44,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 04:39:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 04:39:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 04:39:44,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 04:39:44,308 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 04:39:44,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 04:39:44,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 04:39:44,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1173957339, now seen corresponding path program 1 times [2023-12-24 04:39:44,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 04:39:44,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704465099] [2023-12-24 04:39:44,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 04:39:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 04:39:44,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 04:39:44,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 04:39:44,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 04:39:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 04:39:45,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 04:39:45,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 04:39:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-12-24 04:39:45,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 04:39:45,220 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 04:39:45,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704465099] [2023-12-24 04:39:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704465099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 04:39:45,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 04:39:45,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 04:39:45,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998158533] [2023-12-24 04:39:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 04:39:45,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 04:39:45,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 04:39:45,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 04:39:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 04:39:45,268 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 04:39:49,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:39:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 04:39:49,973 INFO L93 Difference]: Finished difference Result 92 states and 161 transitions. [2023-12-24 04:39:50,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 04:39:50,233 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2023-12-24 04:39:50,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 04:39:50,239 INFO L225 Difference]: With dead ends: 92 [2023-12-24 04:39:50,239 INFO L226 Difference]: Without dead ends: 45 [2023-12-24 04:39:50,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 04:39:50,244 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-24 04:39:50,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-24 04:39:50,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-12-24 04:39:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-12-24 04:39:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 04:39:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 67 transitions. [2023-12-24 04:39:50,280 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 67 transitions. Word has length 97 [2023-12-24 04:39:50,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 04:39:50,280 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 67 transitions. [2023-12-24 04:39:50,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 04:39:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-12-24 04:39:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 04:39:50,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 04:39:50,284 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 04:39:50,301 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 [2023-12-24 04:39:50,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 04:39:50,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 04:39:50,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 04:39:50,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1355984171, now seen corresponding path program 1 times [2023-12-24 04:39:50,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 04:39:50,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817235992] [2023-12-24 04:39:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 04:39:50,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 04:39:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 04:39:50,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 04:39:50,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 04:39:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 04:39:51,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 04:39:51,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 04:39:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 04:39:54,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 04:39:54,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 04:39:54,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817235992] [2023-12-24 04:39:54,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817235992] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 04:39:54,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 04:39:54,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 04:39:54,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172550240] [2023-12-24 04:39:54,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 04:39:54,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 04:39:54,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 04:39:54,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 04:39:54,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 04:39:54,868 INFO L87 Difference]: Start difference. First operand 45 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 04:39:59,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:04,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:08,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:14,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:18,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:22,839 WARN L539 Checker$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 [] [2023-12-24 04:40:27,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:32,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 04:40:32,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 04:40:32,662 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2023-12-24 04:40:32,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 04:40:32,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2023-12-24 04:40:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 04:40:32,901 INFO L225 Difference]: With dead ends: 133 [2023-12-24 04:40:32,901 INFO L226 Difference]: Without dead ends: 89 [2023-12-24 04:40:32,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 04:40:32,903 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 16 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2023-12-24 04:40:32,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 113 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 37.8s Time] [2023-12-24 04:40:32,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-24 04:40:32,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2023-12-24 04:40:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 54 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-24 04:40:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 131 transitions. [2023-12-24 04:40:32,926 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 131 transitions. Word has length 97 [2023-12-24 04:40:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 04:40:32,926 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 131 transitions. [2023-12-24 04:40:32,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 04:40:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2023-12-24 04:40:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 04:40:32,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 04:40:32,928 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 04:40:32,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 04:40:33,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 04:40:33,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 04:40:33,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 04:40:33,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1413242473, now seen corresponding path program 1 times [2023-12-24 04:40:33,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 04:40:33,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234175994] [2023-12-24 04:40:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 04:40:33,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 04:40:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 04:40:33,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 04:40:33,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 04:40:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 04:40:34,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-24 04:40:34,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 04:41:00,580 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:41:09,429 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:41:18,302 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) [2023-12-24 04:41:27,166 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:41:36,045 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:41:44,886 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:41:53,724 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:02,117 WARN L293 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:10,979 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:19,813 WARN L293 SmtUtils]: Spent 8.83s 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) [2023-12-24 04:42:28,715 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:37,573 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:46,415 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:42:55,299 WARN L293 SmtUtils]: Spent 8.88s 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) [2023-12-24 04:43:04,160 WARN L293 SmtUtils]: Spent 8.86s 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) [2023-12-24 04:43:13,029 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) [2023-12-24 04:43:21,890 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:43:30,761 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:43:39,614 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:43:46,362 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-24 04:43:55,241 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) [2023-12-24 04:44:04,109 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:10,438 WARN L293 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:19,322 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:28,216 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:37,092 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:45,990 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:44:54,894 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:45:03,800 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) [2023-12-24 04:45:12,686 WARN L293 SmtUtils]: Spent 8.89s 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) [2023-12-24 04:45:21,589 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:45:30,492 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:45:39,359 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:45:48,271 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) [2023-12-24 04:45:57,168 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-24 04:46:06,041 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) [2023-12-24 04:46:13,962 WARN L293 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:46:22,860 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:46:31,757 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:46:40,654 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:46:47,016 WARN L293 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:46:55,880 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:09,238 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:17,619 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:26,535 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:34,828 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:43,708 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:47:52,579 WARN L293 SmtUtils]: Spent 8.87s 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) [2023-12-24 04:48:01,463 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:48:14,779 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:48:27,169 WARN L293 SmtUtils]: Spent 8.86s 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) [2023-12-24 04:48:36,053 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:48:44,946 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:48:53,829 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:02,731 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:11,630 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:20,508 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:29,406 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:38,299 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:47,170 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:49:56,047 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:01,917 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:10,108 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) [2023-12-24 04:50:18,992 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:24,263 WARN L293 SmtUtils]: Spent 5.27s 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) [2023-12-24 04:50:33,123 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:41,995 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:50,860 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:50:59,756 WARN L293 SmtUtils]: Spent 8.90s 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) [2023-12-24 04:51:08,629 WARN L293 SmtUtils]: Spent 8.87s 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) [2023-12-24 04:51:16,047 WARN L293 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:51:24,909 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:51:33,766 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:51:42,622 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) [2023-12-24 04:51:51,475 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 04:51:55,707 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-24 04:51:59,944 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true Received shutdown request... [2023-12-24 04:53:16,203 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 04:53:16,211 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 04:53:17,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-24 04:53:17,421 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 04:53:17,624 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Could not destroy process within 200 ms, abandoning it Cannot interrupt operation gracefully because timeout expired. Forcing shutdown