/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_floatingpointinfluence_no-floats_file-20.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 19:40:16,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 19:40:16,882 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 19:40:16,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 19:40:16,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 19:40:16,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 19:40:16,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 19:40:16,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 19:40:16,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 19:40:16,921 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 19:40:16,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 19:40:16,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 19:40:16,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 19:40:16,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 19:40:16,924 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 19:40:16,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 19:40:16,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 19:40:16,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 19:40:16,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 19:40:16,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 19:40:16,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 19:40:16,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 19:40:16,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 19:40:16,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 19:40:16,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 19:40:16,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 19:40:16,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 19:40:16,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 19:40:16,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 19:40:16,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 19:40:16,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 19:40:16,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 19:40:16,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 19:40:16,929 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 19:40:16,930 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 19:40:16,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 19:40:17,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 19:40:17,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 19:40:17,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 19:40:17,199 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 19:40:17,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 19:40:17,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-12-23 19:40:18,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 19:40:18,557 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 19:40:18,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-20.i [2023-12-23 19:40:18,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f134d4c/538c9ae880b5484ebe3f5f49370838a9/FLAGc70616880 [2023-12-23 19:40:18,574 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f134d4c/538c9ae880b5484ebe3f5f49370838a9 [2023-12-23 19:40:18,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 19:40:18,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 19:40:18,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 19:40:18,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 19:40:18,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 19:40:18,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2fe436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18, skipping insertion in model container [2023-12-23 19:40:18,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 19:40:18,713 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-12-23 19:40:18,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 19:40:18,760 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 19:40:18,769 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_floatingpointinfluence_no-floats_file-20.i[916,929] [2023-12-23 19:40:18,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 19:40:18,807 INFO L206 MainTranslator]: Completed translation [2023-12-23 19:40:18,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18 WrapperNode [2023-12-23 19:40:18,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 19:40:18,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 19:40:18,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 19:40:18,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 19:40:18,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,842 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-12-23 19:40:18,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 19:40:18,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 19:40:18,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 19:40:18,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 19:40:18,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,880 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 19:40:18,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 19:40:18,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 19:40:18,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 19:40:18,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 19:40:18,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (1/1) ... [2023-12-23 19:40:18,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 19:40:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 19:40:18,932 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 19:40:18,940 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 19:40:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 19:40:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 19:40:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 19:40:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 19:40:18,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 19:40:18,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 19:40:19,023 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 19:40:19,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 19:40:27,322 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 19:40:27,375 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 19:40:27,375 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 19:40:27,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:40:27 BoogieIcfgContainer [2023-12-23 19:40:27,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 19:40:27,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 19:40:27,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 19:40:27,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 19:40:27,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:40:18" (1/3) ... [2023-12-23 19:40:27,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad7d937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:40:27, skipping insertion in model container [2023-12-23 19:40:27,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:40:18" (2/3) ... [2023-12-23 19:40:27,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad7d937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:40:27, skipping insertion in model container [2023-12-23 19:40:27,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:40:27" (3/3) ... [2023-12-23 19:40:27,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-20.i [2023-12-23 19:40:27,408 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 19:40:27,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 19:40:27,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 19:40:27,449 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;@aeef200, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 19:40:27,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 19:40:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-23 19:40:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-23 19:40:27,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 19:40:27,469 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:27,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 19:40:27,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 19:40:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash 574606129, now seen corresponding path program 1 times [2023-12-23 19:40:27,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 19:40:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267075945] [2023-12-23 19:40:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 19:40:27,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 19:40:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 19:40:27,496 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 19:40:27,525 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 19:40:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 19:40:27,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 19:40:27,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 19:40:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-12-23 19:40:27,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 19:40:27,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 19:40:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267075945] [2023-12-23 19:40:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267075945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 19:40:27,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 19:40:27,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 19:40:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138667130] [2023-12-23 19:40:27,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 19:40:27,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 19:40:27,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 19:40:27,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 19:40:27,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 19:40:27,875 INFO L87 Difference]: Start difference. First operand has 56 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-23 19:40:32,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 19:40:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 19:40:32,041 INFO L93 Difference]: Finished difference Result 109 states and 196 transitions. [2023-12-23 19:40:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 19:40:32,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2023-12-23 19:40:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 19:40:32,091 INFO L225 Difference]: With dead ends: 109 [2023-12-23 19:40:32,091 INFO L226 Difference]: Without dead ends: 54 [2023-12-23 19:40:32,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 19:40:32,095 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-23 19:40:32,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-23 19:40:32,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-23 19:40:32,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-12-23 19:40:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-23 19:40:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 82 transitions. [2023-12-23 19:40:32,132 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 82 transitions. Word has length 142 [2023-12-23 19:40:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 19:40:32,133 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 82 transitions. [2023-12-23 19:40:32,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-23 19:40:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2023-12-23 19:40:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-23 19:40:32,136 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 19:40:32,136 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:40:32,147 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 19:40:32,346 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 19:40:32,347 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 19:40:32,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 19:40:32,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1741718735, now seen corresponding path program 1 times [2023-12-23 19:40:32,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 19:40:32,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296470851] [2023-12-23 19:40:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 19:40:32,349 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 19:40:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 19:40:32,350 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 19:40:32,351 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 19:40:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 19:40:32,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-23 19:40:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-23 19:40:32,907 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-12-23 19:40:32,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [14145201] [2023-12-23 19:40:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 19:40:32,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 19:40:32,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 19:40:32,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 19:40:32,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 19:47:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 19:47:44,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-23 19:47:44,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 19:47:56,791 WARN L293 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:48:03,499 WARN L293 SmtUtils]: Spent 6.71s 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 19:48:13,338 WARN L293 SmtUtils]: Spent 6.14s 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 19:48:20,178 WARN L293 SmtUtils]: Spent 6.84s 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 19:48:27,391 WARN L293 SmtUtils]: Spent 7.21s 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 19:48:35,544 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:48:42,717 WARN L293 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:48:50,848 WARN L854 $PredicateComparison]: unable to prove that (and (bvsge c_~var_1_3~0 (_ bv2147483647 32)) (bvsge c_~var_1_8~0 (_ bv0 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge c_~var_1_4~0 (_ bv0 32)) (not (= (_ bv0 8) c_~var_1_2~0)) (= (_ bv1 8) c_~var_1_14~0) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 19:48:54,893 WARN L876 $PredicateComparison]: unable to prove that (and (bvsge c_~var_1_3~0 (_ bv2147483647 32)) (bvsge c_~var_1_8~0 (_ bv0 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge c_~var_1_4~0 (_ bv0 32)) (not (= (_ bv0 8) c_~var_1_2~0)) (= (_ bv1 8) c_~var_1_14~0) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 19:49:02,991 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:49:09,106 WARN L293 SmtUtils]: Spent 6.11s 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 19:49:20,921 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:49:32,798 WARN L293 SmtUtils]: Spent 8.14s 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 19:49:51,316 WARN L293 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:49:59,115 WARN L293 SmtUtils]: Spent 7.80s 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 19:50:07,267 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:50:13,072 WARN L293 SmtUtils]: Spent 5.80s 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 19:50:19,820 WARN L293 SmtUtils]: Spent 6.75s 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 19:50:26,052 WARN L293 SmtUtils]: Spent 6.23s 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 19:50:31,377 WARN L293 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:50:42,639 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:50:50,554 WARN L293 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:50:57,984 WARN L293 SmtUtils]: Spent 7.43s 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 19:51:05,236 WARN L293 SmtUtils]: Spent 7.25s 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 19:51:11,770 WARN L293 SmtUtils]: Spent 6.53s 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 19:51:19,956 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 19:51:27,947 WARN L293 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:51:35,550 WARN L293 SmtUtils]: Spent 7.60s 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 19:51:43,695 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:51:50,673 WARN L293 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 19:51:57,941 WARN L293 SmtUtils]: Spent 7.27s 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 19:52:01,992 WARN L854 $PredicateComparison]: unable to prove that (and (bvsge c_~var_1_3~0 (_ bv2147483647 32)) (bvsge c_~var_1_8~0 (_ bv0 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge c_~var_1_4~0 (_ bv0 32)) (not (= (_ bv0 8) c_~var_1_2~0)) (= (bvadd c_~var_1_9~0 (_ bv2 32)) c_~var_1_11~0) (= (_ bv1 8) c_~var_1_14~0) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 19:52:06,041 WARN L876 $PredicateComparison]: unable to prove that (and (bvsge c_~var_1_3~0 (_ bv2147483647 32)) (bvsge c_~var_1_8~0 (_ bv0 32)) (= c_~var_1_1~0 (bvadd (bvneg c_~var_1_4~0) c_~var_1_3~0 (bvneg c_~var_1_5~0))) (bvsge c_~var_1_4~0 (_ bv0 32)) (not (= (_ bv0 8) c_~var_1_2~0)) (= (bvadd c_~var_1_9~0 (_ bv2 32)) c_~var_1_11~0) (= (_ bv1 8) c_~var_1_14~0) (bvsge ((_ zero_extend 32) c_~var_1_11~0) (_ bv3221225470 64)) (= c_~var_1_7~0 ((_ fp.to_sbv 32) roundTowardZero (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 31.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)) ((_ to_fp 11 53) c_currentRoundingMode (bvadd (bvneg c_~var_1_8~0) c_~var_1_3~0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true Received shutdown request... [2023-12-23 19:53:40,579 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 19:53:40,579 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 19:53:40,579 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 19:53:41,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-23 19:53:41,720 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 19:53:41,782 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 19:53:41,807 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown