/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-65.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 23:18:26,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 23:18:26,737 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 23:18:26,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 23:18:26,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 23:18:26,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 23:18:26,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 23:18:26,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 23:18:26,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 23:18:26,773 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 23:18:26,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 23:18:26,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 23:18:26,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 23:18:26,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 23:18:26,776 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 23:18:26,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 23:18:26,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 23:18:26,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 23:18:26,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 23:18:26,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 23:18:26,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 23:18:26,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 23:18:26,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 23:18:26,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 23:18:26,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 23:18:26,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 23:18:26,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 23:18:26,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 23:18:26,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 23:18:26,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 23:18:26,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 23:18:26,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 23:18:26,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 23:18:26,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 23:18:26,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 23:18:26,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 23:18:26,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 23:18:26,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 23:18:26,782 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 23:18:26,782 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 23:18:26,782 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 23:18:26,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 23:18:26,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 23:18:26,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 23:18:26,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 23:18:26,784 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 23:18:26,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 23:18:27,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 23:18:27,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 23:18:27,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 23:18:27,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 23:18:27,028 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 23:18:27,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-65.i [2023-12-23 23:18:28,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 23:18:28,364 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 23:18:28,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-65.i [2023-12-23 23:18:28,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232eeb647/10d1df0c2ae6424db5686da78948a23b/FLAG25297b8be [2023-12-23 23:18:28,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232eeb647/10d1df0c2ae6424db5686da78948a23b [2023-12-23 23:18:28,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 23:18:28,386 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 23:18:28,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 23:18:28,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 23:18:28,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 23:18:28,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d87f6ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28, skipping insertion in model container [2023-12-23 23:18:28,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 23:18:28,551 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-65.i[916,929] [2023-12-23 23:18:28,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 23:18:28,630 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 23:18:28,641 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-65.i[916,929] [2023-12-23 23:18:28,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 23:18:28,708 INFO L206 MainTranslator]: Completed translation [2023-12-23 23:18:28,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28 WrapperNode [2023-12-23 23:18:28,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 23:18:28,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 23:18:28,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 23:18:28,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 23:18:28,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,756 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-12-23 23:18:28,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 23:18:28,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 23:18:28,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 23:18:28,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 23:18:28,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,773 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,785 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 23:18:28,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 23:18:28,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 23:18:28,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 23:18:28,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 23:18:28,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (1/1) ... [2023-12-23 23:18:28,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 23:18:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 23:18:28,835 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 23:18:28,861 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 23:18:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 23:18:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 23:18:28,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 23:18:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 23:18:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 23:18:28,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 23:18:28,988 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 23:18:28,990 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 23:18:42,009 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 23:18:42,060 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 23:18:42,060 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 23:18:42,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:18:42 BoogieIcfgContainer [2023-12-23 23:18:42,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 23:18:42,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 23:18:42,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 23:18:42,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 23:18:42,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:18:28" (1/3) ... [2023-12-23 23:18:42,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dd9fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:18:42, skipping insertion in model container [2023-12-23 23:18:42,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:18:28" (2/3) ... [2023-12-23 23:18:42,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61dd9fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:18:42, skipping insertion in model container [2023-12-23 23:18:42,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:18:42" (3/3) ... [2023-12-23 23:18:42,068 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-65.i [2023-12-23 23:18:42,082 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 23:18:42,082 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 23:18:42,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 23:18:42,138 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;@44f42504, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 23:18:42,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 23:18:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:18:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-23 23:18:42,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:18:42,179 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:42,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:18:42,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:18:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1333037739, now seen corresponding path program 1 times [2023-12-23 23:18:42,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:18:42,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22585193] [2023-12-23 23:18:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:18:42,202 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 23:18:42,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:18:42,208 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 23:18:42,212 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 23:18:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:18:42,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 23:18:42,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:18:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 942 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2023-12-23 23:18:42,719 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 23:18:42,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:18:42,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22585193] [2023-12-23 23:18:42,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22585193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 23:18:42,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 23:18:42,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 23:18:42,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184294100] [2023-12-23 23:18:42,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 23:18:42,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 23:18:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:18:42,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 23:18:42,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 23:18:42,752 INFO L87 Difference]: Start difference. First operand has 89 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 23:18:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:18:47,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:18:47,060 INFO L93 Difference]: Finished difference Result 175 states and 316 transitions. [2023-12-23 23:18:47,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 23:18:47,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 202 [2023-12-23 23:18:47,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:18:47,173 INFO L225 Difference]: With dead ends: 175 [2023-12-23 23:18:47,174 INFO L226 Difference]: Without dead ends: 87 [2023-12-23 23:18:47,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 201 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 23:18:47,180 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-23 23:18:47,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-23 23:18:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-23 23:18:47,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-23 23:18:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:18:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 138 transitions. [2023-12-23 23:18:47,220 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 138 transitions. Word has length 202 [2023-12-23 23:18:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:18:47,223 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 138 transitions. [2023-12-23 23:18:47,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 23:18:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-12-23 23:18:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-23 23:18:47,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:18:47,228 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:47,248 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 23:18:47,444 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 23:18:47,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:18:47,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:18:47,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1869876813, now seen corresponding path program 1 times [2023-12-23 23:18:47,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:18:47,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423457611] [2023-12-23 23:18:47,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:18:47,447 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 23:18:47,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:18:47,448 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 23:18:47,454 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 23:18:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:18:47,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 23:18:47,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:18:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-23 23:18:50,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 23:18:50,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:18:50,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423457611] [2023-12-23 23:18:50,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423457611] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 23:18:50,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 23:18:50,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 23:18:50,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467505874] [2023-12-23 23:18:50,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 23:18:50,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 23:18:50,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:18:50,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 23:18:50,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 23:18:50,047 INFO L87 Difference]: Start difference. First operand 87 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-23 23:18:54,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:18:58,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:02,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:06,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:10,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:14,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:19:14,989 INFO L93 Difference]: Finished difference Result 286 states and 454 transitions. [2023-12-23 23:19:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 23:19:15,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 202 [2023-12-23 23:19:15,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:19:15,094 INFO L225 Difference]: With dead ends: 286 [2023-12-23 23:19:15,094 INFO L226 Difference]: Without dead ends: 200 [2023-12-23 23:19:15,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 23:19:15,096 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 116 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 67 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2023-12-23 23:19:15,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 433 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 24.8s Time] [2023-12-23 23:19:15,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-12-23 23:19:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 170. [2023-12-23 23:19:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-23 23:19:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 269 transitions. [2023-12-23 23:19:15,131 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 269 transitions. Word has length 202 [2023-12-23 23:19:15,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:19:15,132 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 269 transitions. [2023-12-23 23:19:15,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-23 23:19:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 269 transitions. [2023-12-23 23:19:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-12-23 23:19:15,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:19:15,138 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:19:15,156 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 23:19:15,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 23:19:15,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:19:15,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:19:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash -249882364, now seen corresponding path program 1 times [2023-12-23 23:19:15,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:19:15,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591240840] [2023-12-23 23:19:15,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:19:15,354 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 23:19:15,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:19:15,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 23:19:15,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 23:19:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:19:15,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 23:19:15,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:19:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1120 proven. 102 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2023-12-23 23:19:18,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 23:19:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 78 proven. 105 refuted. 0 times theorem prover too weak. 1801 trivial. 0 not checked. [2023-12-23 23:19:20,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:19:20,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591240840] [2023-12-23 23:19:20,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591240840] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 23:19:20,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 23:19:20,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-23 23:19:20,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759707785] [2023-12-23 23:19:20,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 23:19:20,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-23 23:19:20,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:19:20,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-23 23:19:20,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-23 23:19:20,723 INFO L87 Difference]: Start difference. First operand 170 states and 269 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-12-23 23:19:26,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:30,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:34,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:38,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:42,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:47,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:51,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:55,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:19:59,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:20:02,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:20:04,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:20:04,284 INFO L93 Difference]: Finished difference Result 365 states and 558 transitions. [2023-12-23 23:20:04,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-23 23:20:04,285 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 203 [2023-12-23 23:20:04,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:20:04,288 INFO L225 Difference]: With dead ends: 365 [2023-12-23 23:20:04,289 INFO L226 Difference]: Without dead ends: 196 [2023-12-23 23:20:04,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=301, Invalid=691, Unknown=0, NotChecked=0, Total=992 [2023-12-23 23:20:04,291 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 185 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 93 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2023-12-23 23:20:04,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 419 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 434 Invalid, 9 Unknown, 0 Unchecked, 42.2s Time] [2023-12-23 23:20:04,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-12-23 23:20:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 186. [2023-12-23 23:20:04,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 115 states have (on average 1.3043478260869565) internal successors, (150), 115 states have internal predecessors, (150), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-12-23 23:20:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 278 transitions. [2023-12-23 23:20:04,316 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 278 transitions. Word has length 203 [2023-12-23 23:20:04,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:20:04,317 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 278 transitions. [2023-12-23 23:20:04,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 13 states have internal predecessors, (64), 3 states have call successors, (51), 3 states have call predecessors, (51), 7 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2023-12-23 23:20:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 278 transitions. [2023-12-23 23:20:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-23 23:20:04,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:20:04,320 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:20:04,339 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 [2023-12-23 23:20:04,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 23:20:04,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:20:04,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:20:04,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1051343178, now seen corresponding path program 1 times [2023-12-23 23:20:04,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:20:04,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389952203] [2023-12-23 23:20:04,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:20:04,538 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 23:20:04,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:20:04,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 23:20:04,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 23:20:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:20:05,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-23 23:20:05,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:20:53,833 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:02,076 WARN L293 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:08,955 WARN L293 SmtUtils]: Spent 6.88s 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) [2023-12-23 23:21:17,251 WARN L293 SmtUtils]: Spent 8.30s 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 23:21:25,555 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:37,519 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:45,716 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:52,896 WARN L293 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:21:59,838 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:08,102 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:16,437 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:24,748 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:33,067 WARN L293 SmtUtils]: Spent 8.32s 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 23:22:41,330 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:49,589 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:22:57,907 WARN L293 SmtUtils]: Spent 8.32s 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 23:23:06,183 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:23:14,440 WARN L293 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:23:22,707 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:23:31,026 WARN L293 SmtUtils]: Spent 8.32s 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 23:23:38,923 WARN L293 SmtUtils]: Spent 7.90s 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) [2023-12-23 23:23:47,216 WARN L293 SmtUtils]: Spent 8.29s 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 23:23:55,498 WARN L293 SmtUtils]: Spent 8.28s 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 23:24:03,764 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:24:12,060 WARN L293 SmtUtils]: Spent 8.29s 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 23:24:20,352 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) [2023-12-23 23:24:28,702 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:24:36,991 WARN L293 SmtUtils]: Spent 8.29s 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 23:24:45,278 WARN L293 SmtUtils]: Spent 8.29s 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 23:24:53,609 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:25:01,889 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:25:07,862 WARN L293 SmtUtils]: Spent 5.97s 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 23:25:16,208 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:25:24,530 WARN L293 SmtUtils]: Spent 8.32s 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 23:25:28,613 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ zero_extend 24) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse12 ((_ extract 7 0) .cse13)) (.cse3 ((_ zero_extend 24) c_~var_1_8~0)) (.cse16 ((_ zero_extend 16) c_~var_1_23~0)) (.cse4 ((_ zero_extend 24) c_~var_1_7~0))) (and (fp.gt c_~var_1_12~0 (fp.neg (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_12~0))) (let ((.cse2 ((_ zero_extend 24) c_~var_1_36~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_37~0 ((_ extract 15 0) .cse1))) (and (= c_~var_1_37~0 ((_ extract 15 0) .cse2)) (not .cse0))))) (not (bvsle .cse1 (bvsdiv (bvadd .cse3 .cse4) c_~var_1_10~0))) (= c_~var_1_9~0 (_ bv8 16)) (bvsle ((_ zero_extend 16) c_~var_1_25~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_17~0) (bvsge .cse4 (_ bv127 32)) (= (_ bv14 32) c_~var_1_20~0) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 2.0)))) (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_12~0))) (.cse5 (fp.lt .cse7 .cse9))) (or (and .cse5 (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse7) .cse8)) (and (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse9) .cse8) (not .cse5))))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (let ((.cse10 ((_ zero_extend 24) c_~var_1_30~0))) (let ((.cse11 (bvslt .cse10 .cse13))) (or (and (= ((_ extract 7 0) .cse10) c_~var_1_36~0) .cse11) (and (= .cse12 c_~var_1_36~0) (not .cse11))))) (let ((.cse15 (bvadd (bvneg .cse3) .cse4))) (let ((.cse14 (bvslt .cse13 .cse15))) (or (and (not .cse14) (= c_~var_1_5~0 ((_ extract 7 0) .cse15))) (and (= c_~var_1_5~0 .cse12) .cse14)))) (= (_ bv14 32) c_~var_1_1~0) (= (_ bv1 8) c_~last_1_var_1_27~0) (bvsge .cse16 (_ bv49151 32)) (bvsge c_~var_1_10~0 (bvsdiv .cse13 .cse16)) (let ((.cse17 (fp.gt c_~var_1_13~0 c_~var_1_14~0))) (or (and (not .cse17) (= c_~var_1_14~0 c_~var_1_12~0)) (and (= c_~var_1_12~0 c_~var_1_13~0) .cse17))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv0 32)) (= c_~var_1_16~0 .cse4)))) is different from false [2023-12-23 23:25:32,695 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ zero_extend 24) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse12 ((_ extract 7 0) .cse13)) (.cse3 ((_ zero_extend 24) c_~var_1_8~0)) (.cse16 ((_ zero_extend 16) c_~var_1_23~0)) (.cse4 ((_ zero_extend 24) c_~var_1_7~0))) (and (fp.gt c_~var_1_12~0 (fp.neg (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_12~0))) (let ((.cse2 ((_ zero_extend 24) c_~var_1_36~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_37~0 ((_ extract 15 0) .cse1))) (and (= c_~var_1_37~0 ((_ extract 15 0) .cse2)) (not .cse0))))) (not (bvsle .cse1 (bvsdiv (bvadd .cse3 .cse4) c_~var_1_10~0))) (= c_~var_1_9~0 (_ bv8 16)) (bvsle ((_ zero_extend 16) c_~var_1_25~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_17~0) (bvsge .cse4 (_ bv127 32)) (= (_ bv14 32) c_~var_1_20~0) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 2.0)))) (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_12~0))) (.cse5 (fp.lt .cse7 .cse9))) (or (and .cse5 (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse7) .cse8)) (and (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse9) .cse8) (not .cse5))))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (let ((.cse10 ((_ zero_extend 24) c_~var_1_30~0))) (let ((.cse11 (bvslt .cse10 .cse13))) (or (and (= ((_ extract 7 0) .cse10) c_~var_1_36~0) .cse11) (and (= .cse12 c_~var_1_36~0) (not .cse11))))) (let ((.cse15 (bvadd (bvneg .cse3) .cse4))) (let ((.cse14 (bvslt .cse13 .cse15))) (or (and (not .cse14) (= c_~var_1_5~0 ((_ extract 7 0) .cse15))) (and (= c_~var_1_5~0 .cse12) .cse14)))) (= (_ bv14 32) c_~var_1_1~0) (= (_ bv1 8) c_~last_1_var_1_27~0) (bvsge .cse16 (_ bv49151 32)) (bvsge c_~var_1_10~0 (bvsdiv .cse13 .cse16)) (let ((.cse17 (fp.gt c_~var_1_13~0 c_~var_1_14~0))) (or (and (not .cse17) (= c_~var_1_14~0 c_~var_1_12~0)) (and (= c_~var_1_12~0 c_~var_1_13~0) .cse17))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv0 32)) (= c_~var_1_16~0 .cse4)))) is different from true [2023-12-23 23:25:41,040 WARN L293 SmtUtils]: Spent 8.31s 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 23:25:49,388 WARN L293 SmtUtils]: Spent 8.35s 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 23:25:57,707 WARN L293 SmtUtils]: Spent 8.32s 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 23:26:06,034 WARN L293 SmtUtils]: Spent 8.33s 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) [2023-12-23 23:26:19,360 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:26:26,737 WARN L293 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:26:35,106 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:26:43,342 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:26:51,716 WARN L293 SmtUtils]: Spent 8.37s 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 23:27:00,030 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:27:08,359 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:27:16,702 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:27:24,970 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:27:33,263 WARN L293 SmtUtils]: Spent 8.29s 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 23:27:41,584 WARN L293 SmtUtils]: Spent 8.32s 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 23:27:49,886 WARN L293 SmtUtils]: Spent 8.30s 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 23:27:58,207 WARN L293 SmtUtils]: Spent 8.32s 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 23:28:06,569 WARN L293 SmtUtils]: Spent 8.36s 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 23:28:14,866 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:28:23,175 WARN L293 SmtUtils]: Spent 8.31s 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 23:28:31,454 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:28:39,737 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:28:46,828 WARN L293 SmtUtils]: Spent 7.09s 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 23:28:55,159 WARN L293 SmtUtils]: Spent 8.33s 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 23:29:03,495 WARN L293 SmtUtils]: Spent 8.33s 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 23:29:11,838 WARN L293 SmtUtils]: Spent 8.34s 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 23:29:22,661 WARN L293 SmtUtils]: Spent 8.28s 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 23:29:30,955 WARN L293 SmtUtils]: Spent 8.29s 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 23:29:39,319 WARN L293 SmtUtils]: Spent 8.36s 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 23:29:47,608 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:29:55,905 WARN L293 SmtUtils]: Spent 8.30s 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 23:30:04,268 WARN L293 SmtUtils]: Spent 8.36s 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 23:30:12,554 WARN L293 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:30:18,323 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ zero_extend 24) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse12 ((_ extract 7 0) .cse13)) (.cse3 ((_ zero_extend 24) c_~var_1_8~0)) (.cse16 ((_ zero_extend 16) c_~var_1_23~0)) (.cse4 ((_ zero_extend 24) c_~var_1_7~0))) (and (fp.gt c_~var_1_12~0 (fp.neg (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_12~0))) (let ((.cse2 ((_ zero_extend 24) c_~var_1_36~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_37~0 ((_ extract 15 0) .cse1))) (and (= c_~var_1_37~0 ((_ extract 15 0) .cse2)) (not .cse0))))) (not (bvsle .cse1 (bvsdiv (bvadd .cse3 .cse4) c_~var_1_10~0))) (= c_~var_1_9~0 (_ bv8 16)) (bvsle ((_ zero_extend 16) c_~var_1_25~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_17~0) (bvsge .cse4 (_ bv127 32)) (= (_ bv14 32) c_~var_1_20~0) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 2.0)))) (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_12~0))) (.cse5 (fp.lt .cse7 .cse9))) (or (and .cse5 (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse7) .cse8)) (and (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse9) .cse8) (not .cse5))))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (let ((.cse10 ((_ zero_extend 24) c_~var_1_30~0))) (let ((.cse11 (bvslt .cse10 .cse13))) (or (and (= ((_ extract 7 0) .cse10) c_~var_1_36~0) .cse11) (and (= .cse12 c_~var_1_36~0) (not .cse11))))) (let ((.cse15 (bvadd (bvneg .cse3) .cse4))) (let ((.cse14 (bvslt .cse13 .cse15))) (or (and (not .cse14) (= c_~var_1_5~0 ((_ extract 7 0) .cse15))) (and (= c_~var_1_5~0 .cse12) .cse14)))) (= (_ bv14 32) c_~var_1_1~0) (= (_ bv1 8) c_~last_1_var_1_27~0) (bvsge .cse16 (_ bv49151 32)) (bvsge c_~var_1_10~0 (bvsdiv .cse13 .cse16)) (= |c_ULTIMATE.start_step_~stepLocal_5~0#1| c_~var_1_36~0) (let ((.cse17 (fp.gt c_~var_1_13~0 c_~var_1_14~0))) (or (and (not .cse17) (= c_~var_1_14~0 c_~var_1_12~0)) (and (= c_~var_1_12~0 c_~var_1_13~0) .cse17))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv0 32)) (= c_~var_1_16~0 .cse4)))) is different from false [2023-12-23 23:30:22,406 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse13 ((_ zero_extend 24) c_~var_1_6~0))) (let ((.cse1 ((_ zero_extend 24) c_~var_1_5~0)) (.cse12 ((_ extract 7 0) .cse13)) (.cse3 ((_ zero_extend 24) c_~var_1_8~0)) (.cse16 ((_ zero_extend 16) c_~var_1_23~0)) (.cse4 ((_ zero_extend 24) c_~var_1_7~0))) (and (fp.gt c_~var_1_12~0 (fp.neg (fp.add c_currentRoundingMode c_~var_1_13~0 c_~var_1_12~0))) (let ((.cse2 ((_ zero_extend 24) c_~var_1_36~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_37~0 ((_ extract 15 0) .cse1))) (and (= c_~var_1_37~0 ((_ extract 15 0) .cse2)) (not .cse0))))) (not (bvsle .cse1 (bvsdiv (bvadd .cse3 .cse4) c_~var_1_10~0))) (= c_~var_1_9~0 (_ bv8 16)) (bvsle ((_ zero_extend 16) c_~var_1_25~0) (_ bv32767 32)) (= (_ bv0 8) c_~var_1_17~0) (bvsge .cse4 (_ bv127 32)) (= (_ bv14 32) c_~var_1_20~0) (= (_ bv1 8) c_~var_1_27~0) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode (/ 51.0 2.0)))) (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (.cse8 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_12~0))) (.cse5 (fp.lt .cse7 .cse9))) (or (and .cse5 (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse7) .cse8)) (and (fp.geq (fp.mul c_currentRoundingMode .cse6 .cse9) .cse8) (not .cse5))))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (let ((.cse10 ((_ zero_extend 24) c_~var_1_30~0))) (let ((.cse11 (bvslt .cse10 .cse13))) (or (and (= ((_ extract 7 0) .cse10) c_~var_1_36~0) .cse11) (and (= .cse12 c_~var_1_36~0) (not .cse11))))) (let ((.cse15 (bvadd (bvneg .cse3) .cse4))) (let ((.cse14 (bvslt .cse13 .cse15))) (or (and (not .cse14) (= c_~var_1_5~0 ((_ extract 7 0) .cse15))) (and (= c_~var_1_5~0 .cse12) .cse14)))) (= (_ bv14 32) c_~var_1_1~0) (= (_ bv1 8) c_~last_1_var_1_27~0) (bvsge .cse16 (_ bv49151 32)) (bvsge c_~var_1_10~0 (bvsdiv .cse13 .cse16)) (= |c_ULTIMATE.start_step_~stepLocal_5~0#1| c_~var_1_36~0) (let ((.cse17 (fp.gt c_~var_1_13~0 c_~var_1_14~0))) (or (and (not .cse17) (= c_~var_1_14~0 c_~var_1_12~0)) (and (= c_~var_1_12~0 c_~var_1_13~0) .cse17))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv0 32)) (= c_~var_1_16~0 .cse4)))) is different from true [2023-12-23 23:30:30,825 WARN L293 SmtUtils]: Spent 8.37s 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 23:30:39,116 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) [2023-12-23 23:30:51,747 WARN L293 SmtUtils]: Spent 8.33s 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) [2023-12-23 23:31:00,119 WARN L293 SmtUtils]: Spent 8.37s 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 23:31:08,414 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:31:16,742 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:31:22,660 WARN L293 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:31:31,041 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:31:39,436 WARN L293 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:31:47,814 WARN L293 SmtUtils]: Spent 8.38s 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 23:31:56,136 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:32:04,451 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:32:12,833 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:32:21,163 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:32:29,493 WARN L293 SmtUtils]: Spent 8.33s 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 23:32:37,813 WARN L293 SmtUtils]: Spent 8.32s 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 23:32:46,144 WARN L293 SmtUtils]: Spent 8.33s 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 23:32:54,480 WARN L293 SmtUtils]: Spent 8.34s 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 23:33:02,873 WARN L293 SmtUtils]: Spent 8.39s 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) Received shutdown request... [2023-12-23 23:33:05,016 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 23:33:05,016 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 23:33:06,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 23:33:06,218 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 23:33:06,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-23 23:33:06,261 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 23:33:06,261 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 205 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 23:33:06,264 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 23:33:06,266 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 23:33:06,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 11:33:06 BoogieIcfgContainer [2023-12-23 23:33:06,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 23:33:06,268 INFO L158 Benchmark]: Toolchain (without parser) took 877882.99ms. Allocated memory is still 315.6MB. Free memory was 260.9MB in the beginning and 170.2MB in the end (delta: 90.7MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,269 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 203.4MB. Free memory was 151.6MB in the beginning and 151.4MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 23:33:06,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.92ms. Allocated memory is still 315.6MB. Free memory was 260.9MB in the beginning and 244.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.70ms. Allocated memory is still 315.6MB. Free memory was 243.6MB in the beginning and 241.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,269 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 315.6MB. Free memory was 241.0MB in the beginning and 236.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,270 INFO L158 Benchmark]: RCFGBuilder took 13253.32ms. Allocated memory is still 315.6MB. Free memory was 236.2MB in the beginning and 203.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,270 INFO L158 Benchmark]: TraceAbstraction took 864205.36ms. Allocated memory is still 315.6MB. Free memory was 202.7MB in the beginning and 170.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-23 23:33:06,271 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 203.4MB. Free memory was 151.6MB in the beginning and 151.4MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 321.92ms. Allocated memory is still 315.6MB. Free memory was 260.9MB in the beginning and 244.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.70ms. Allocated memory is still 315.6MB. Free memory was 243.6MB in the beginning and 241.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 315.6MB. Free memory was 241.0MB in the beginning and 236.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 13253.32ms. Allocated memory is still 315.6MB. Free memory was 236.2MB in the beginning and 203.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 864205.36ms. Allocated memory is still 315.6MB. Free memory was 202.7MB in the beginning and 170.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 205 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 864.1s, OverallIterations: 4, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 73.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 314 SdHoareTripleChecker+Valid, 71.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 987 SdHoareTripleChecker+Invalid, 70.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 531 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 456 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 794 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=3, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 40 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 806 ConstructedInterpolants, 0 QuantifiedInterpolants, 2343 SizeOfPredicates, 6 NumberOfNonLiveVariables, 992 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 7729/7936 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown