/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 22:02:00,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 22:02:00,285 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 22:02:00,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 22:02:00,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 22:02:00,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 22:02:00,304 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 22:02:00,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 22:02:00,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 22:02:00,304 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 22:02:00,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 22:02:00,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 22:02:00,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 22:02:00,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 22:02:00,306 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 22:02:00,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 22:02:00,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 22:02:00,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 22:02:00,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 22:02:00,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 22:02:00,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 22:02:00,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 22:02:00,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 22:02:00,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 22:02:00,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 22:02:00,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 22:02:00,309 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 22:02:00,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 22:02:00,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 22:02:00,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 22:02:00,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 22:02:00,310 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 22:02:00,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 22:02:00,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 22:02:00,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:02:00,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 22:02:00,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 22:02:00,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 22:02:00,312 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 22:02:00,312 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 22:02:00,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 22:02:00,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 22:02:00,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 22:02:00,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 22:02:00,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 22:02:00,320 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 22:02:00,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 22:02:00,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 22:02:00,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 22:02:00,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 22:02:00,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 22:02:00,568 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 22:02:00,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-12-23 22:02:01,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 22:02:01,776 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 22:02:01,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-12-23 22:02:01,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fcfdc98/f764fcf319b1439d996b9b3a6a509401/FLAG6d4b5bb5f [2023-12-23 22:02:02,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fcfdc98/f764fcf319b1439d996b9b3a6a509401 [2023-12-23 22:02:02,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 22:02:02,183 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 22:02:02,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 22:02:02,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 22:02:02,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 22:02:02,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca1990d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02, skipping insertion in model container [2023-12-23 22:02:02,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 22:02:02,360 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-12-23 22:02:02,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:02:02,471 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 22:02:02,483 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-78.i[916,929] [2023-12-23 22:02:02,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:02:02,554 INFO L206 MainTranslator]: Completed translation [2023-12-23 22:02:02,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02 WrapperNode [2023-12-23 22:02:02,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 22:02:02,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 22:02:02,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 22:02:02,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 22:02:02,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,602 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-12-23 22:02:02,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 22:02:02,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 22:02:02,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 22:02:02,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 22:02:02,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,633 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,646 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 22:02:02,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 22:02:02,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 22:02:02,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 22:02:02,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 22:02:02,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (1/1) ... [2023-12-23 22:02:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:02:02,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 22:02:02,694 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 22:02:02,715 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 22:02:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 22:02:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 22:02:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 22:02:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 22:02:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 22:02:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 22:02:02,816 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 22:02:02,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 22:02:18,522 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 22:02:18,554 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 22:02:18,554 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 22:02:18,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:02:18 BoogieIcfgContainer [2023-12-23 22:02:18,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 22:02:18,556 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 22:02:18,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 22:02:18,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 22:02:18,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:02:02" (1/3) ... [2023-12-23 22:02:18,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54047840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:02:18, skipping insertion in model container [2023-12-23 22:02:18,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:02:02" (2/3) ... [2023-12-23 22:02:18,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54047840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:02:18, skipping insertion in model container [2023-12-23 22:02:18,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:02:18" (3/3) ... [2023-12-23 22:02:18,561 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-78.i [2023-12-23 22:02:18,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 22:02:18,573 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 22:02:18,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 22:02:18,609 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;@3f9e116a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 22:02:18,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 22:02:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 22:02:18,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 22:02:18,627 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:02:18,628 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:18,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:02:18,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:02:18,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1707922830, now seen corresponding path program 1 times [2023-12-23 22:02:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:02:18,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510800838] [2023-12-23 22:02:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:02:18,650 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 22:02:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:02:18,651 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 22:02:18,657 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 22:02:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:02:19,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 22:02:19,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:02:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2023-12-23 22:02:19,558 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:02:19,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:02:19,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510800838] [2023-12-23 22:02:19,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510800838] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:02:19,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:02:19,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 22:02:19,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489181791] [2023-12-23 22:02:19,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:02:19,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 22:02:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:02:19,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 22:02:19,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 22:02:19,586 INFO L87 Difference]: Start difference. First operand has 91 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 22:02:23,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:02:24,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:02:24,026 INFO L93 Difference]: Finished difference Result 181 states and 324 transitions. [2023-12-23 22:02:24,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 22:02:24,028 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2023-12-23 22:02:24,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:02:24,034 INFO L225 Difference]: With dead ends: 181 [2023-12-23 22:02:24,034 INFO L226 Difference]: Without dead ends: 89 [2023-12-23 22:02:24,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 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 22:02:24,039 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-23 22:02:24,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-12-23 22:02:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-23 22:02:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-23 22:02:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 54 states have internal predecessors, (75), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-23 22:02:24,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 141 transitions. [2023-12-23 22:02:24,077 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 141 transitions. Word has length 206 [2023-12-23 22:02:24,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:02:24,078 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 141 transitions. [2023-12-23 22:02:24,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 22:02:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-12-23 22:02:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 22:02:24,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:02:24,081 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:24,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 22:02:24,304 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 22:02:24,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:02:24,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:02:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash 163057672, now seen corresponding path program 1 times [2023-12-23 22:02:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:02:24,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542605550] [2023-12-23 22:02:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:02:24,307 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 22:02:24,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:02:24,312 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 22:02:24,312 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 22:02:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:02:25,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 22:02:25,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:02:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-12-23 22:02:25,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 22:02:26,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:02:26,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542605550] [2023-12-23 22:02:26,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542605550] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 22:02:26,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2029765057] [2023-12-23 22:02:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:02:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 22:02:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 22:02:26,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 22:02:26,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 22:02:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:02:26,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 22:02:26,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:02:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 22:02:26,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:02:26,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2029765057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:02:26,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 22:02:26,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-12-23 22:02:26,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738989831] [2023-12-23 22:02:26,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:02:26,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 22:02:26,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:02:26,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 22:02:26,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-23 22:02:26,907 INFO L87 Difference]: Start difference. First operand 89 states and 141 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:02:31,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:02:35,258 WARN L539 Checker$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 22:02:39,264 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 22:02:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:02:39,439 INFO L93 Difference]: Finished difference Result 264 states and 419 transitions. [2023-12-23 22:02:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 22:02:39,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-12-23 22:02:39,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:02:39,444 INFO L225 Difference]: With dead ends: 264 [2023-12-23 22:02:39,444 INFO L226 Difference]: Without dead ends: 176 [2023-12-23 22:02:39,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-23 22:02:39,445 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 131 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-12-23 22:02:39,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 380 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2023-12-23 22:02:39,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-12-23 22:02:39,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2023-12-23 22:02:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-23 22:02:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 274 transitions. [2023-12-23 22:02:39,484 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 274 transitions. Word has length 206 [2023-12-23 22:02:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:02:39,485 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 274 transitions. [2023-12-23 22:02:39,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:02:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 274 transitions. [2023-12-23 22:02:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 22:02:39,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:02:39,487 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:39,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 22:02:39,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 22:02:39,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 22:02:39,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:02:39,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:02:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 864122250, now seen corresponding path program 1 times [2023-12-23 22:02:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:02:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777948563] [2023-12-23 22:02:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:02:39,902 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 22:02:39,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:02:39,906 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 22:02:39,909 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 22:02:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:02:40,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 22:02:40,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:02:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-12-23 22:02:41,289 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 22:02:41,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:02:41,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777948563] [2023-12-23 22:02:41,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777948563] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 22:02:41,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2059605977] [2023-12-23 22:02:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:02:41,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 22:02:41,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 22:02:41,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 22:02:41,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-23 22:02:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:02:43,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-23 22:02:43,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:02:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 438 proven. 9 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-12-23 22:02:43,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 22:02:43,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2059605977] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 22:02:43,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 22:02:43,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-12-23 22:02:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518563637] [2023-12-23 22:02:43,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 22:02:43,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 22:02:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:02:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 22:02:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-23 22:02:43,702 INFO L87 Difference]: Start difference. First operand 174 states and 274 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 22:02:51,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:02:55,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:02:59,036 WARN L539 Checker$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 22:03:03,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:03:07,047 WARN L539 Checker$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 22:03:11,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:03:15,063 WARN L539 Checker$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 [0] [2023-12-23 22:03:19,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:03:23,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:03:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:03:26,423 INFO L93 Difference]: Finished difference Result 544 states and 840 transitions. [2023-12-23 22:03:26,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-23 22:03:26,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 206 [2023-12-23 22:03:26,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:03:26,435 INFO L225 Difference]: With dead ends: 544 [2023-12-23 22:03:26,435 INFO L226 Difference]: Without dead ends: 371 [2023-12-23 22:03:26,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2023-12-23 22:03:26,438 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 178 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 68 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2023-12-23 22:03:26,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 664 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 542 Invalid, 9 Unknown, 0 Unchecked, 41.8s Time] [2023-12-23 22:03:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-12-23 22:03:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 361. [2023-12-23 22:03:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 220 states have (on average 1.3272727272727274) internal successors, (292), 220 states have internal predecessors, (292), 132 states have call successors, (132), 8 states have call predecessors, (132), 8 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2023-12-23 22:03:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 556 transitions. [2023-12-23 22:03:26,494 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 556 transitions. Word has length 206 [2023-12-23 22:03:26,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:03:26,495 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 556 transitions. [2023-12-23 22:03:26,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-23 22:03:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 556 transitions. [2023-12-23 22:03:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 22:03:26,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:03:26,501 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:03:26,525 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 22:03:26,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-23 22:03:26,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 22:03:26,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:03:26,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:03:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash -156946104, now seen corresponding path program 1 times [2023-12-23 22:03:26,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:03:26,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633218624] [2023-12-23 22:03:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:03:26,936 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 22:03:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:03:26,937 INFO L229 MonitoredProcess]: Starting monitored process 7 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 22:03:26,938 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 (7)] Waiting until timeout for monitored process [2023-12-23 22:03:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:03:27,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-23 22:03:27,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:03:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 188 proven. 183 refuted. 0 times theorem prover too weak. 1741 trivial. 0 not checked. [2023-12-23 22:03:38,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 22:03:42,764 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:03:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633218624] [2023-12-23 22:03:42,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633218624] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 22:03:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [262541476] [2023-12-23 22:03:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:03:42,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 22:03:42,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 22:03:42,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 22:03:42,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-23 22:03:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:03:45,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 22:03:45,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:03:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 188 proven. 183 refuted. 0 times theorem prover too weak. 1741 trivial. 0 not checked. [2023-12-23 22:03:54,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 22:03:58,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [262541476] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 22:03:58,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 22:03:58,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2023-12-23 22:03:58,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261654201] [2023-12-23 22:03:58,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 22:03:58,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-23 22:03:58,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:03:58,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-23 22:03:58,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-12-23 22:03:58,536 INFO L87 Difference]: Start difference. First operand 361 states and 556 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-23 22:04:07,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:11,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:13,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:17,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:23,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:04:28,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:04:32,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:04:36,901 WARN L539 Checker$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 22:04:40,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:04:44,912 WARN L539 Checker$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 22:04:48,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:52,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:04:56,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:05:00,942 WARN L539 Checker$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 22:05:04,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:05:08,961 WARN L539 Checker$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 22:05:12,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:05:16,969 WARN L539 Checker$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 22:05:20,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:05:24,991 WARN L539 Checker$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 22:05:29,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:05:33,006 WARN L539 Checker$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 [0] [2023-12-23 22:05:37,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:05:41,026 WARN L539 Checker$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 22:05:45,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:05:49,043 WARN L539 Checker$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 [0] [2023-12-23 22:05:53,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:05:57,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:06:01,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:06:05,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:06:09,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 22:06:12,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:14,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:06:14,568 INFO L93 Difference]: Finished difference Result 874 states and 1338 transitions. [2023-12-23 22:06:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-23 22:06:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 206 [2023-12-23 22:06:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:06:14,572 INFO L225 Difference]: With dead ends: 874 [2023-12-23 22:06:14,572 INFO L226 Difference]: Without dead ends: 514 [2023-12-23 22:06:14,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=227, Invalid=643, Unknown=0, NotChecked=0, Total=870 [2023-12-23 22:06:14,574 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 242 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 74 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.8s IncrementalHoareTripleChecker+Time [2023-12-23 22:06:14,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 800 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 678 Invalid, 27 Unknown, 0 Unchecked, 133.8s Time] [2023-12-23 22:06:14,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-12-23 22:06:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 477. [2023-12-23 22:06:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 299 states have (on average 1.3244147157190636) internal successors, (396), 299 states have internal predecessors, (396), 165 states have call successors, (165), 12 states have call predecessors, (165), 12 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2023-12-23 22:06:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 726 transitions. [2023-12-23 22:06:14,602 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 726 transitions. Word has length 206 [2023-12-23 22:06:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:06:14,602 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 726 transitions. [2023-12-23 22:06:14,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2023-12-23 22:06:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 726 transitions. [2023-12-23 22:06:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-23 22:06:14,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:06:14,604 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:14,626 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 (7)] Forceful destruction successful, exit code 0 [2023-12-23 22:06:14,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-23 22:06:15,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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=3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 22:06:15,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:06:15,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:06:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1845889846, now seen corresponding path program 1 times [2023-12-23 22:06:15,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:06:15,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997483390] [2023-12-23 22:06:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:06:15,014 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 22:06:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:06:15,015 INFO L229 MonitoredProcess]: Starting monitored process 9 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 22:06:15,016 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 (9)] Waiting until timeout for monitored process [2023-12-23 22:06:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:06:15,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 22:06:15,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:06:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-23 22:06:17,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:06:17,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:06:17,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997483390] [2023-12-23 22:06:17,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997483390] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:06:17,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:06:17,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 22:06:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132342297] [2023-12-23 22:06:17,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:06:17,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 22:06:17,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:06:17,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 22:06:17,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 22:06:17,878 INFO L87 Difference]: Start difference. First operand 477 states and 726 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:06:22,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:26,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:30,993 WARN L539 Checker$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 22:06:34,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:39,000 WARN L539 Checker$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 22:06:43,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:47,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:06:51,426 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 22:06:51,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:06:51,779 INFO L93 Difference]: Finished difference Result 972 states and 1486 transitions. [2023-12-23 22:06:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-23 22:06:51,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2023-12-23 22:06:51,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:06:51,782 INFO L225 Difference]: With dead ends: 972 [2023-12-23 22:06:51,782 INFO L226 Difference]: Without dead ends: 596 [2023-12-23 22:06:51,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 203 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 22:06:51,784 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 145 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 76 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2023-12-23 22:06:51,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 336 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 105 Invalid, 8 Unknown, 0 Unchecked, 33.8s Time] [2023-12-23 22:06:51,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-12-23 22:06:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 478. [2023-12-23 22:06:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 300 states have (on average 1.3166666666666667) internal successors, (395), 300 states have internal predecessors, (395), 165 states have call successors, (165), 12 states have call predecessors, (165), 12 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2023-12-23 22:06:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 725 transitions. [2023-12-23 22:06:51,840 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 725 transitions. Word has length 206 [2023-12-23 22:06:51,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:06:51,840 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 725 transitions. [2023-12-23 22:06:51,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:06:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 725 transitions. [2023-12-23 22:06:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-23 22:06:51,842 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:06:51,843 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:51,866 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 (9)] Forceful destruction successful, exit code 0 [2023-12-23 22:06:52,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 22:06:52,066 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:06:52,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:06:52,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1914045902, now seen corresponding path program 1 times [2023-12-23 22:06:52,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:06:52,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969640581] [2023-12-23 22:06:52,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:06:52,067 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 22:06:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:06:52,080 INFO L229 MonitoredProcess]: Starting monitored process 10 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 22:06:52,109 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 (10)] Waiting until timeout for monitored process [2023-12-23 22:06:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:06:52,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 22:06:52,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:06:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-23 22:06:53,194 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:06:53,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:06:53,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969640581] [2023-12-23 22:06:53,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969640581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:06:53,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:06:53,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-23 22:06:53,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87683335] [2023-12-23 22:06:53,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:06:53,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-23 22:06:53,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:06:53,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-23 22:06:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-23 22:06:53,195 INFO L87 Difference]: Start difference. First operand 478 states and 725 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:06:59,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:07:03,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:07:07,162 WARN L539 Checker$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 22:07:07,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:07:07,308 INFO L93 Difference]: Finished difference Result 912 states and 1363 transitions. [2023-12-23 22:07:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 22:07:07,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2023-12-23 22:07:07,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:07:07,315 INFO L225 Difference]: With dead ends: 912 [2023-12-23 22:07:07,315 INFO L226 Difference]: Without dead ends: 518 [2023-12-23 22:07:07,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-23 22:07:07,318 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 150 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 130 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-12-23 22:07:07,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 225 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 190 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2023-12-23 22:07:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2023-12-23 22:07:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 496. [2023-12-23 22:07:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 313 states have (on average 1.2651757188498403) internal successors, (396), 313 states have internal predecessors, (396), 165 states have call successors, (165), 17 states have call predecessors, (165), 17 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2023-12-23 22:07:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 726 transitions. [2023-12-23 22:07:07,372 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 726 transitions. Word has length 207 [2023-12-23 22:07:07,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:07:07,372 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 726 transitions. [2023-12-23 22:07:07,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-23 22:07:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 726 transitions. [2023-12-23 22:07:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-23 22:07:07,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:07:07,373 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:07,399 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 (10)] Forceful destruction successful, exit code 0 [2023-12-23 22:07:07,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 22:07:07,597 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:07:07,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:07:07,598 INFO L85 PathProgramCache]: Analyzing trace with hash -902928652, now seen corresponding path program 1 times [2023-12-23 22:07:07,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:07:07,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539454881] [2023-12-23 22:07:07,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:07:07,598 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 22:07:07,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:07:07,599 INFO L229 MonitoredProcess]: Starting monitored process 11 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 22:07:07,602 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 (11)] Waiting until timeout for monitored process [2023-12-23 22:07:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:07:09,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-23 22:07:09,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:07:50,438 WARN L293 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:08:00,561 WARN L293 SmtUtils]: Spent 7.19s 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 22:08:08,193 WARN L293 SmtUtils]: Spent 5.30s 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 22:08:18,228 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:08:26,133 WARN L293 SmtUtils]: Spent 5.16s 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 22:08:32,991 WARN L293 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:08:38,946 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:08:42,983 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse5 ((_ zero_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_25~0 (_ bv0 8)) (fp.leq c_~var_1_9~0 .cse0) (fp.leq c_~var_1_32~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_31~0 .cse1) (fp.lt c_~var_1_10~0 (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0)) (= c_~var_1_25~0 (_ bv0 8)) (fp.geq c_~var_1_32~0 .cse1) (let ((.cse3 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse2 (bvneg (bvadd (_ bv5 32) ((_ zero_extend 24) c_~last_1_var_1_28~0)))) (.cse4 (bvsgt .cse5 .cse3))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse2 .cse3))) (not .cse4)) (and (= ((_ extract 15 0) (bvadd .cse2 .cse5)) c_~var_1_1~0) .cse4)))) (bvsle ((_ zero_extend 24) c_~var_1_37~0) (_ bv0 32)) (fp.leq c_~var_1_31~0 .cse0) (bvuge c_~var_1_34~0 (_ bv2147483647 32)) (fp.geq c_~var_1_9~0 .cse1) (= .cse5 c_~var_1_13~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 22:08:53,215 WARN L293 SmtUtils]: Spent 8.17s 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 22:09:01,381 WARN L293 SmtUtils]: Spent 8.16s 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 22:09:09,552 WARN L293 SmtUtils]: Spent 8.17s 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 22:09:17,727 WARN L293 SmtUtils]: Spent 8.17s 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 22:09:25,897 WARN L293 SmtUtils]: Spent 8.17s 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 22:09:38,814 WARN L293 SmtUtils]: Spent 8.18s 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 22:09:49,432 WARN L293 SmtUtils]: Spent 5.69s 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 22:09:55,245 WARN L293 SmtUtils]: Spent 5.81s 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 22:10:03,439 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:10:10,846 WARN L293 SmtUtils]: Spent 7.41s 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 22:10:19,036 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:10:27,203 WARN L293 SmtUtils]: Spent 8.17s 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 22:10:35,332 WARN L293 SmtUtils]: Spent 8.13s 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 22:10:42,369 WARN L293 SmtUtils]: Spent 7.04s 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 22:10:50,555 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:11:02,741 WARN L293 SmtUtils]: Spent 8.18s 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 22:11:15,698 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:11:19,741 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse7 ((_ zero_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_25~0 (_ bv0 8)) (fp.leq c_~var_1_9~0 .cse0) (fp.leq c_~var_1_32~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_31~0 .cse1) (fp.lt c_~var_1_10~0 (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0)) (= c_~var_1_25~0 (_ bv0 8)) (fp.geq c_~var_1_32~0 .cse1) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_9~0 c_~var_1_31~0))) (let ((.cse2 (fp.gt c_~var_1_10~0 .cse3))) (or (and .cse2 (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_32~0) c_~var_1_30~0)) (and (not .cse2) (= (fp.sub c_currentRoundingMode .cse3 c_~var_1_32~0) c_~var_1_30~0))))) (let ((.cse5 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse4 (bvneg (bvadd (_ bv5 32) ((_ zero_extend 24) c_~last_1_var_1_28~0)))) (.cse6 (bvsgt .cse7 .cse5))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 .cse5))) (not .cse6)) (and (= ((_ extract 15 0) (bvadd .cse4 .cse7)) c_~var_1_1~0) .cse6)))) (bvsle ((_ zero_extend 24) c_~var_1_37~0) (_ bv0 32)) (fp.leq c_~var_1_31~0 .cse0) (bvuge c_~var_1_34~0 (_ bv2147483647 32)) (fp.geq c_~var_1_9~0 .cse1) (= .cse7 c_~var_1_13~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 22:11:23,792 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse7 ((_ zero_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_25~0 (_ bv0 8)) (fp.leq c_~var_1_9~0 .cse0) (fp.leq c_~var_1_32~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_31~0 .cse1) (fp.lt c_~var_1_10~0 (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0)) (= c_~var_1_25~0 (_ bv0 8)) (fp.geq c_~var_1_32~0 .cse1) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_9~0 c_~var_1_31~0))) (let ((.cse2 (fp.gt c_~var_1_10~0 .cse3))) (or (and .cse2 (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_32~0) c_~var_1_30~0)) (and (not .cse2) (= (fp.sub c_currentRoundingMode .cse3 c_~var_1_32~0) c_~var_1_30~0))))) (let ((.cse5 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse4 (bvneg (bvadd (_ bv5 32) ((_ zero_extend 24) c_~last_1_var_1_28~0)))) (.cse6 (bvsgt .cse7 .cse5))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 .cse5))) (not .cse6)) (and (= ((_ extract 15 0) (bvadd .cse4 .cse7)) c_~var_1_1~0) .cse6)))) (bvsle ((_ zero_extend 24) c_~var_1_37~0) (_ bv0 32)) (fp.leq c_~var_1_31~0 .cse0) (bvuge c_~var_1_34~0 (_ bv2147483647 32)) (fp.geq c_~var_1_9~0 .cse1) (= .cse7 c_~var_1_13~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 22:11:31,997 WARN L293 SmtUtils]: Spent 8.19s 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 22:11:40,221 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:11:48,098 WARN L293 SmtUtils]: Spent 7.88s 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 22:11:53,730 WARN L293 SmtUtils]: Spent 5.63s 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 22:12:01,929 WARN L293 SmtUtils]: Spent 8.20s 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 22:12:10,146 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:12:17,791 WARN L293 SmtUtils]: Spent 7.64s 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 22:12:26,001 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:12:34,190 WARN L293 SmtUtils]: Spent 8.19s 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 22:12:42,417 WARN L293 SmtUtils]: Spent 8.23s 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 22:12:50,625 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:12:58,857 WARN L293 SmtUtils]: Spent 8.23s 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 22:13:06,939 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:13:15,125 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:13:23,316 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:13:31,444 WARN L293 SmtUtils]: Spent 8.13s 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 22:13:39,306 WARN L293 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:13:46,411 WARN L293 SmtUtils]: Spent 7.10s 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 22:13:54,599 WARN L293 SmtUtils]: Spent 8.19s 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 22:14:02,801 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:14:11,004 WARN L293 SmtUtils]: Spent 8.20s 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 22:14:19,240 WARN L293 SmtUtils]: Spent 8.24s 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 22:14:23,288 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse7 ((_ zero_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_25~0 (_ bv0 8)) (fp.leq c_~var_1_9~0 .cse0) (fp.leq c_~var_1_32~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_31~0 .cse1) (fp.lt c_~var_1_10~0 (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0)) (= c_~var_1_25~0 (_ bv0 8)) (fp.geq c_~var_1_32~0 .cse1) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_9~0 c_~var_1_31~0))) (let ((.cse2 (fp.gt c_~var_1_10~0 .cse3))) (or (and .cse2 (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_32~0) c_~var_1_30~0)) (and (not .cse2) (= (fp.sub c_currentRoundingMode .cse3 c_~var_1_32~0) c_~var_1_30~0))))) (let ((.cse5 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse4 (bvneg (bvadd (_ bv5 32) ((_ zero_extend 24) c_~last_1_var_1_28~0)))) (.cse6 (bvsgt .cse7 .cse5))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 .cse5))) (not .cse6)) (and (= ((_ extract 15 0) (bvadd .cse4 .cse7)) c_~var_1_1~0) .cse6)))) (= (bvadd c_~var_1_33~0 (_ bv128 32)) c_~var_1_34~0) (bvsle ((_ zero_extend 24) c_~var_1_37~0) (_ bv0 32)) (fp.leq c_~var_1_31~0 .cse0) (bvuge c_~var_1_34~0 (_ bv2147483647 32)) (fp.geq c_~var_1_9~0 .cse1) (= .cse7 c_~var_1_13~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-23 22:14:27,337 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse7 ((_ zero_extend 16) c_~var_1_3~0))) (and (= c_~last_1_var_1_25~0 (_ bv0 8)) (fp.leq c_~var_1_9~0 .cse0) (fp.leq c_~var_1_32~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_31~0 .cse1) (fp.lt c_~var_1_10~0 (fp.mul c_currentRoundingMode c_~var_1_12~0 c_~var_1_9~0)) (= c_~var_1_25~0 (_ bv0 8)) (fp.geq c_~var_1_32~0 .cse1) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_9~0 c_~var_1_31~0))) (let ((.cse2 (fp.gt c_~var_1_10~0 .cse3))) (or (and .cse2 (= (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_32~0) c_~var_1_30~0)) (and (not .cse2) (= (fp.sub c_currentRoundingMode .cse3 c_~var_1_32~0) c_~var_1_30~0))))) (let ((.cse5 ((_ zero_extend 16) c_~var_1_4~0))) (let ((.cse4 (bvneg (bvadd (_ bv5 32) ((_ zero_extend 24) c_~last_1_var_1_28~0)))) (.cse6 (bvsgt .cse7 .cse5))) (or (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 .cse5))) (not .cse6)) (and (= ((_ extract 15 0) (bvadd .cse4 .cse7)) c_~var_1_1~0) .cse6)))) (= (bvadd c_~var_1_33~0 (_ bv128 32)) c_~var_1_34~0) (bvsle ((_ zero_extend 24) c_~var_1_37~0) (_ bv0 32)) (fp.leq c_~var_1_31~0 .cse0) (bvuge c_~var_1_34~0 (_ bv2147483647 32)) (fp.geq c_~var_1_9~0 .cse1) (= .cse7 c_~var_1_13~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 22:14:35,552 WARN L293 SmtUtils]: Spent 8.20s 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 22:14:43,797 WARN L293 SmtUtils]: Spent 8.24s 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 22:14:52,002 WARN L293 SmtUtils]: Spent 8.20s 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 22:15:00,198 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:15:08,388 WARN L293 SmtUtils]: Spent 8.19s 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 22:15:16,581 WARN L293 SmtUtils]: Spent 8.19s 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 22:15:24,803 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:15:33,011 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:15:41,238 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:15:49,468 WARN L293 SmtUtils]: Spent 8.23s 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 22:15:57,676 WARN L293 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:16:05,908 WARN L293 SmtUtils]: Spent 8.23s 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 22:16:14,126 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 22:16:22,327 WARN L293 SmtUtils]: Spent 8.20s 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 22:16:35,100 WARN L293 SmtUtils]: Spent 8.23s 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 22:16:43,292 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 22:16:46,490 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 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 22:16:46,522 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 22:16:47,540 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 (11)] Forceful destruction successful, exit code 0 [2023-12-23 22:16:47,725 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 22:16:47,759 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 22:16:47,759 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 208 with TraceHistMax 33,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 22:16:47,762 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-23 22:16:47,763 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 22:16:47,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 10:16:47 BoogieIcfgContainer [2023-12-23 22:16:47,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 22:16:47,765 INFO L158 Benchmark]: Toolchain (without parser) took 885582.24ms. Allocated memory was 201.3MB in the beginning and 252.7MB in the end (delta: 51.4MB). Free memory was 152.4MB in the beginning and 131.7MB in the end (delta: 20.6MB). Peak memory consumption was 73.6MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,765 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 22:16:47,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.19ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 135.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.29ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,765 INFO L158 Benchmark]: Boogie Preprocessor took 60.52ms. Allocated memory is still 201.3MB. Free memory was 132.1MB in the beginning and 127.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,765 INFO L158 Benchmark]: RCFGBuilder took 15890.74ms. Allocated memory was 201.3MB in the beginning and 252.7MB in the end (delta: 51.4MB). Free memory was 127.6MB in the beginning and 209.2MB in the end (delta: -81.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,766 INFO L158 Benchmark]: TraceAbstraction took 869208.24ms. Allocated memory is still 252.7MB. Free memory was 208.7MB in the beginning and 131.7MB in the end (delta: 76.9MB). Peak memory consumption was 78.0MB. Max. memory is 8.0GB. [2023-12-23 22:16:47,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 148.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 371.19ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 135.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.29ms. Allocated memory is still 201.3MB. Free memory was 135.2MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.52ms. Allocated memory is still 201.3MB. Free memory was 132.1MB in the beginning and 127.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 15890.74ms. Allocated memory was 201.3MB in the beginning and 252.7MB in the end (delta: 51.4MB). Free memory was 127.6MB in the beginning and 209.2MB in the end (delta: -81.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 869208.24ms. Allocated memory is still 252.7MB. Free memory was 208.7MB in the beginning and 131.7MB in the end (delta: 76.9MB). Peak memory consumption was 78.0MB. 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 208 with TraceHistMax 33,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 869.2s, OverallIterations: 7, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 243.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 mSolverCounterUnknown, 878 SdHoareTripleChecker+Valid, 240.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 846 mSDsluCounter, 2543 SdHoareTripleChecker+Invalid, 238.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1511 mSDsCounter, 354 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1537 IncrementalHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 354 mSolverCounterUnsat, 1032 mSDtfsCounter, 1537 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2324 GetRequests, 2254 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=6, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 189 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 33.6s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1846 ConstructedInterpolants, 23 QuantifiedInterpolants, 8418 SizeOfPredicates, 40 NumberOfNonLiveVariables, 3031 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 18615/19008 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 [2023-12-23 22:16:47,778 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