/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 06:14:03,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 06:14:03,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 06:14:03,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 06:14:03,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 06:14:03,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 06:14:03,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 06:14:03,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 06:14:03,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 06:14:03,706 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 06:14:03,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 06:14:03,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 06:14:03,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 06:14:03,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 06:14:03,709 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 06:14:03,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 06:14:03,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 06:14:03,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 06:14:03,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 06:14:03,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 06:14:03,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 06:14:03,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 06:14:03,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 06:14:03,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 06:14:03,716 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 06:14:03,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 06:14:03,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 06:14:03,717 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 06:14:03,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 06:14:03,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 06:14:03,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 06:14:03,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 06:14:03,719 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 06:14:03,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 06:14:03,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:14:03,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 06:14:03,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 06:14:03,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 06:14:03,720 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 06:14:03,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 06:14:03,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 06:14:03,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 06:14:03,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 06:14:03,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 06:14:03,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 06:14:03,721 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 06:14:03,722 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 06:14:04,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 06:14:04,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 06:14:04,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 06:14:04,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 06:14:04,195 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 06:14:04,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-23 06:14:06,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 06:14:06,748 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 06:14:06,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-23 06:14:06,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5af89930/1791959316c44b5481426ab6958a387c/FLAGfdc8822b9 [2023-12-23 06:14:06,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5af89930/1791959316c44b5481426ab6958a387c [2023-12-23 06:14:06,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 06:14:06,784 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 06:14:06,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 06:14:06,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 06:14:06,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 06:14:06,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:14:06" (1/1) ... [2023-12-23 06:14:06,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4293ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:06, skipping insertion in model container [2023-12-23 06:14:06,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:14:06" (1/1) ... [2023-12-23 06:14:06,881 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 06:14:07,142 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i[915,928] [2023-12-23 06:14:07,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:14:07,345 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 06:14:07,382 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i[915,928] [2023-12-23 06:14:07,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:14:07,514 INFO L206 MainTranslator]: Completed translation [2023-12-23 06:14:07,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07 WrapperNode [2023-12-23 06:14:07,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 06:14:07,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 06:14:07,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 06:14:07,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 06:14:07,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,637 INFO L138 Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2023-12-23 06:14:07,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 06:14:07,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 06:14:07,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 06:14:07,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 06:14:07,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,730 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 06:14:07,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 06:14:07,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 06:14:07,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 06:14:07,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 06:14:07,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (1/1) ... [2023-12-23 06:14:07,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:14:07,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 06:14:07,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 06:14:07,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 06:14:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 06:14:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 06:14:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 06:14:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 06:14:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 06:14:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 06:14:08,172 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 06:14:08,188 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 06:14:37,454 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 06:14:37,575 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 06:14:37,575 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 06:14:37,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:14:37 BoogieIcfgContainer [2023-12-23 06:14:37,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 06:14:37,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 06:14:37,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 06:14:37,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 06:14:37,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:14:06" (1/3) ... [2023-12-23 06:14:37,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282bcb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:14:37, skipping insertion in model container [2023-12-23 06:14:37,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:14:07" (2/3) ... [2023-12-23 06:14:37,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282bcb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:14:37, skipping insertion in model container [2023-12-23 06:14:37,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:14:37" (3/3) ... [2023-12-23 06:14:37,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-23 06:14:37,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 06:14:37,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 06:14:37,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 06:14:37,773 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;@1c8fea44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 06:14:37,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 06:14:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-23 06:14:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 06:14:37,833 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:14:37,834 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:14:37,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:14:37,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:14:37,842 INFO L85 PathProgramCache]: Analyzing trace with hash -134773195, now seen corresponding path program 1 times [2023-12-23 06:14:37,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:14:37,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724712330] [2023-12-23 06:14:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:14:37,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:14:37,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:14:37,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 06:14:37,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 06:14:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:14:40,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 06:14:40,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:14:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1348 proven. 0 refuted. 0 times theorem prover too weak. 2612 trivial. 0 not checked. [2023-12-23 06:14:40,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:14:40,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:14:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724712330] [2023-12-23 06:14:40,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724712330] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:14:40,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:14:40,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 06:14:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274384294] [2023-12-23 06:14:40,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:14:40,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 06:14:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:14:40,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 06:14:40,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 06:14:40,840 INFO L87 Difference]: Start difference. First operand has 110 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 06:14:46,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:14:46,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:14:46,832 INFO L93 Difference]: Finished difference Result 216 states and 397 transitions. [2023-12-23 06:14:47,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 06:14:47,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 275 [2023-12-23 06:14:47,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:14:47,504 INFO L225 Difference]: With dead ends: 216 [2023-12-23 06:14:47,504 INFO L226 Difference]: Without dead ends: 107 [2023-12-23 06:14:47,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 06:14:47,517 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-12-23 06:14:47,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2023-12-23 06:14:47,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-23 06:14:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-23 06:14:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-23 06:14:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 170 transitions. [2023-12-23 06:14:47,614 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 170 transitions. Word has length 275 [2023-12-23 06:14:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:14:47,615 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 170 transitions. [2023-12-23 06:14:47,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 06:14:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2023-12-23 06:14:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 06:14:47,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:14:47,645 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:14:47,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 06:14:47,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:14:47,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:14:47,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:14:47,870 INFO L85 PathProgramCache]: Analyzing trace with hash 328849131, now seen corresponding path program 1 times [2023-12-23 06:14:47,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:14:47,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192068809] [2023-12-23 06:14:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:14:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:14:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:14:47,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 06:14:47,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 06:14:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:14:50,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 06:14:50,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:14:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 902 proven. 15 refuted. 0 times theorem prover too weak. 3043 trivial. 0 not checked. [2023-12-23 06:14:52,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 06:14:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 117 proven. 15 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-12-23 06:14:55,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:14:55,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192068809] [2023-12-23 06:14:55,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192068809] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 06:14:55,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 06:14:55,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 06:14:55,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409388552] [2023-12-23 06:14:55,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 06:14:55,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 06:14:55,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:14:55,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 06:14:55,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 06:14:55,390 INFO L87 Difference]: Start difference. First operand 107 states and 170 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-23 06:15:07,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:15:11,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:15:15,365 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 06:15:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:15:15,370 INFO L93 Difference]: Finished difference Result 221 states and 346 transitions. [2023-12-23 06:15:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 06:15:16,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 275 [2023-12-23 06:15:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:15:16,077 INFO L225 Difference]: With dead ends: 221 [2023-12-23 06:15:16,077 INFO L226 Difference]: Without dead ends: 115 [2023-12-23 06:15:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 542 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-23 06:15:16,080 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 173 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 93 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2023-12-23 06:15:16,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 256 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 237 Invalid, 3 Unknown, 0 Unchecked, 19.2s Time] [2023-12-23 06:15:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-23 06:15:16,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2023-12-23 06:15:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-23 06:15:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 172 transitions. [2023-12-23 06:15:16,146 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 172 transitions. Word has length 275 [2023-12-23 06:15:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:15:16,150 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 172 transitions. [2023-12-23 06:15:16,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-23 06:15:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2023-12-23 06:15:16,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 06:15:16,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:15:16,157 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:15:16,239 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 06:15:16,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:15:16,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:15:16,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:15:16,365 INFO L85 PathProgramCache]: Analyzing trace with hash -682268119, now seen corresponding path program 1 times [2023-12-23 06:15:16,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:15:16,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812382857] [2023-12-23 06:15:16,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:15:16,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:15:16,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:15:16,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 06:15:16,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 06:15:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:15:19,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 06:15:19,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:15:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-12-23 06:15:19,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:15:19,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:15:19,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812382857] [2023-12-23 06:15:19,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812382857] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:15:19,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:15:19,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 06:15:19,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486023439] [2023-12-23 06:15:19,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:15:19,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 06:15:19,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:15:19,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 06:15:19,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:15:19,425 INFO L87 Difference]: Start difference. First operand 111 states and 172 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 06:15:25,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:15:29,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:15:33,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:15:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:15:34,464 INFO L93 Difference]: Finished difference Result 237 states and 367 transitions. [2023-12-23 06:15:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 06:15:34,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 275 [2023-12-23 06:15:34,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:15:34,486 INFO L225 Difference]: With dead ends: 237 [2023-12-23 06:15:34,486 INFO L226 Difference]: Without dead ends: 127 [2023-12-23 06:15:34,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:15:34,488 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 18 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-12-23 06:15:34,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 322 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2023-12-23 06:15:34,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-23 06:15:34,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2023-12-23 06:15:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-23 06:15:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 182 transitions. [2023-12-23 06:15:34,536 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 182 transitions. Word has length 275 [2023-12-23 06:15:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:15:34,538 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 182 transitions. [2023-12-23 06:15:34,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 06:15:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-12-23 06:15:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 06:15:34,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:15:34,542 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:15:34,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 06:15:34,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:15:34,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:15:34,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:15:34,773 INFO L85 PathProgramCache]: Analyzing trace with hash -680421077, now seen corresponding path program 1 times [2023-12-23 06:15:34,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:15:34,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [466481826] [2023-12-23 06:15:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:15:34,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:15:34,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:15:34,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 06:15:34,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 06:15:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:15:37,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 06:15:37,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:15:47,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-12-23 06:15:47,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:15:47,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:15:47,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [466481826] [2023-12-23 06:15:47,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [466481826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:15:47,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:15:47,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 06:15:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935051557] [2023-12-23 06:15:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:15:47,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 06:15:47,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:15:47,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 06:15:47,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:15:47,806 INFO L87 Difference]: Start difference. First operand 118 states and 182 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 06:15:53,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:16:00,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:16:04,192 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 06:16:04,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:16:04,859 INFO L93 Difference]: Finished difference Result 352 states and 544 transitions. [2023-12-23 06:16:04,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 06:16:04,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 275 [2023-12-23 06:16:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:16:04,863 INFO L225 Difference]: With dead ends: 352 [2023-12-23 06:16:04,863 INFO L226 Difference]: Without dead ends: 235 [2023-12-23 06:16:04,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:16:04,865 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 27 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2023-12-23 06:16:04,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 325 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2023-12-23 06:16:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-12-23 06:16:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2023-12-23 06:16:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 138 states have (on average 1.3043478260869565) internal successors, (180), 138 states have internal predecessors, (180), 90 states have call successors, (90), 4 states have call predecessors, (90), 4 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-12-23 06:16:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 360 transitions. [2023-12-23 06:16:04,910 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 360 transitions. Word has length 275 [2023-12-23 06:16:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:16:04,911 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 360 transitions. [2023-12-23 06:16:04,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 06:16:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 360 transitions. [2023-12-23 06:16:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-23 06:16:04,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:16:04,913 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 06:16:04,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 06:16:05,120 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 [2023-12-23 06:16:05,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:16:05,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:16:05,121 INFO L85 PathProgramCache]: Analyzing trace with hash 380135139, now seen corresponding path program 1 times [2023-12-23 06:16:05,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:16:05,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249148952] [2023-12-23 06:16:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:16:05,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 06:16:05,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:16:05,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 06:16:05,125 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 (6)] Waiting until timeout for monitored process [2023-12-23 06:16:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:16:07,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-23 06:16:07,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:16:26,125 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:16:36,076 WARN L293 SmtUtils]: Spent 9.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:16:44,591 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:16:54,432 WARN L293 SmtUtils]: Spent 9.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:17:02,963 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:17:12,880 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:17:24,485 WARN L293 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:17:32,229 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:17:36,756 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-23 06:17:41,301 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-23 06:17:51,218 WARN L293 SmtUtils]: Spent 9.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:01,073 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:10,960 WARN L293 SmtUtils]: Spent 9.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:19,492 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:29,307 WARN L293 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:35,057 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:45,172 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:18:55,884 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:19:00,485 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-23 06:19:05,112 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-23 06:19:15,614 WARN L293 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:19:26,190 WARN L293 SmtUtils]: Spent 10.57s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:19:36,798 WARN L293 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:19:45,437 WARN L293 SmtUtils]: Spent 8.64s 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 06:19:56,110 WARN L293 SmtUtils]: Spent 10.67s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:04,914 WARN L293 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:15,543 WARN L293 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:26,158 WARN L293 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:36,694 WARN L293 SmtUtils]: Spent 10.53s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:47,295 WARN L293 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:20:57,857 WARN L293 SmtUtils]: Spent 10.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:21:08,483 WARN L293 SmtUtils]: Spent 10.62s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:21:13,154 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_12~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (= c_~var_1_12~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (not .cse1))))) (= c_~var_1_1~0 (_ bv1 16))) is different from false [2023-12-23 06:21:17,783 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv256 32) c_~var_1_13~0) (= ((_ extract 7 0) ((_ zero_extend 24) c_~var_1_10~0)) c_~var_1_8~0) (let ((.cse0 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse0) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse0))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (let ((.cse2 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse1 (bvsgt .cse2 c_~var_1_12~0))) (or (and .cse1 (= .cse2 |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (and (= c_~var_1_12~0 |c_ULTIMATE.start_step_~stepLocal_1~0#1|) (not .cse1))))) (= c_~var_1_1~0 (_ bv1 16))) is different from true [2023-12-23 06:21:28,558 WARN L293 SmtUtils]: Spent 10.70s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:21:39,172 WARN L293 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:21:49,861 WARN L293 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:00,523 WARN L293 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:11,180 WARN L293 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:21,815 WARN L293 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:32,388 WARN L293 SmtUtils]: Spent 10.57s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:41,089 WARN L293 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:22:51,601 WARN L293 SmtUtils]: Spent 10.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:00,230 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:10,551 WARN L293 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:20,624 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:30,552 WARN L293 SmtUtils]: Spent 9.93s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:40,412 WARN L293 SmtUtils]: Spent 9.86s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:23:50,343 WARN L293 SmtUtils]: Spent 9.93s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:00,249 WARN L293 SmtUtils]: Spent 9.91s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:04,776 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-23 06:24:09,269 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true [2023-12-23 06:24:19,187 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:29,084 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:39,391 WARN L293 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:49,312 WARN L293 SmtUtils]: Spent 9.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:24:59,211 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:09,111 WARN L293 SmtUtils]: Spent 9.90s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:19,258 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:30,078 WARN L293 SmtUtils]: Spent 10.82s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:36,551 WARN L293 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:47,060 WARN L293 SmtUtils]: Spent 10.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:25:55,796 WARN L293 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:06,480 WARN L293 SmtUtils]: Spent 10.68s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:17,173 WARN L293 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:27,961 WARN L293 SmtUtils]: Spent 10.79s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:38,632 WARN L293 SmtUtils]: Spent 10.67s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:49,292 WARN L293 SmtUtils]: Spent 10.66s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:26:59,979 WARN L293 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:27:04,655 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from false [2023-12-23 06:27:09,300 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= (_ bv256 32) c_~var_1_13~0) (let ((.cse1 ((_ sign_extend 24) c_~var_1_17~0))) (let ((.cse0 (bvslt .cse1 (_ bv0 32)))) (or (and .cse0 (= ((_ extract 7 0) (bvneg .cse1)) c_~var_1_14~0)) (and (= ((_ extract 7 0) .cse1) c_~var_1_14~0) (not .cse0))))) (let ((.cse4 (bvadd (bvneg ((_ zero_extend 24) c_~var_1_16~0)) ((_ zero_extend 24) c_~var_1_15~0)))) (let ((.cse3 (bvsgt .cse4 c_~var_1_12~0))) (or (and (= c_~var_1_12~0 .cse2) (not .cse3)) (and .cse3 (= .cse4 .cse2))))) (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 (fp.gt c_~var_1_3~0 c_~var_1_9~0))) (or (and (not .cse5) (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_9~0))) (and (fp.gt c_~var_1_6~0 (fp.div c_currentRoundingMode c_~var_1_5~0 c_~var_1_3~0)) .cse5))) (= ((_ zero_extend 16) c_~last_1_var_1_18~0) c_~var_1_12~0) (= c_~var_1_1~0 (_ bv1 16)))) is different from true [2023-12-23 06:27:20,100 WARN L293 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:27:30,847 WARN L293 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:27:41,496 WARN L293 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:27:52,226 WARN L293 SmtUtils]: Spent 10.73s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:28:02,966 WARN L293 SmtUtils]: Spent 10.74s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:28:13,680 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:28:24,407 WARN L293 SmtUtils]: Spent 10.73s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:28:35,117 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:28:43,859 WARN L293 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 06:28:52,237 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 06:28:52,237 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 06:28:53,359 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 (6)] Forceful destruction successful, exit code 0 [2023-12-23 06:28:53,452 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 06:28:53,648 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 06:28:53,649 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 277 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 06:28:53,653 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-23 06:28:53,653 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Could not destroy process within 200 ms, abandoning it [2023-12-23 06:28:53,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 06:28:53,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:28:53 BoogieIcfgContainer [2023-12-23 06:28:53,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 06:28:53,658 INFO L158 Benchmark]: Toolchain (without parser) took 886874.19ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 173.5MB in the beginning and 143.2MB in the end (delta: 30.3MB). Peak memory consumption was 78.0MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,658 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 160.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 06:28:53,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.69ms. Allocated memory is still 229.6MB. Free memory was 173.5MB in the beginning and 155.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.61ms. Allocated memory is still 229.6MB. Free memory was 155.7MB in the beginning and 152.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,659 INFO L158 Benchmark]: Boogie Preprocessor took 178.14ms. Allocated memory is still 229.6MB. Free memory was 152.5MB in the beginning and 148.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,659 INFO L158 Benchmark]: RCFGBuilder took 29758.77ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 148.4MB in the beginning and 226.5MB in the end (delta: -78.1MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,659 INFO L158 Benchmark]: TraceAbstraction took 856079.32ms. Allocated memory is still 275.8MB. Free memory was 225.9MB in the beginning and 143.2MB in the end (delta: 82.8MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-12-23 06:28:53,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 160.4MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 725.69ms. Allocated memory is still 229.6MB. Free memory was 173.5MB in the beginning and 155.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 120.61ms. Allocated memory is still 229.6MB. Free memory was 155.7MB in the beginning and 152.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 178.14ms. Allocated memory is still 229.6MB. Free memory was 152.5MB in the beginning and 148.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 29758.77ms. Allocated memory was 229.6MB in the beginning and 275.8MB in the end (delta: 46.1MB). Free memory was 148.4MB in the beginning and 226.5MB in the end (delta: -78.1MB). Peak memory consumption was 34.1MB. Max. memory is 8.0GB. * TraceAbstraction took 856079.32ms. Allocated memory is still 275.8MB. Free memory was 225.9MB in the beginning and 143.2MB in the end (delta: 82.8MB). Peak memory consumption was 82.8MB. 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 277 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 855.9s, OverallIterations: 5, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 59.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 57.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 1070 SdHoareTripleChecker+Invalid, 54.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 459 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 611 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1374 GetRequests, 1362 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 9.6s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 1100 NumberOfCodeBlocks, 1100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1370 ConstructedInterpolants, 0 QuantifiedInterpolants, 2115 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1757 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 19770/19800 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