/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-100_file-26.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 23:56:44,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 23:56:44,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 23:56:44,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 23:56:44,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 23:56:44,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 23:56:44,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 23:56:44,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 23:56:44,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 23:56:44,657 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 23:56:44,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 23:56:44,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 23:56:44,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 23:56:44,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 23:56:44,659 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 23:56:44,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 23:56:44,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 23:56:44,660 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 23:56:44,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 23:56:44,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 23:56:44,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 23:56:44,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 23:56:44,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 23:56:44,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 23:56:44,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 23:56:44,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:56:44,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 23:56:44,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 23:56:44,665 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 23:56:44,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 23:56:44,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 23:56:44,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 23:56:44,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 23:56:44,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 23:56:44,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 23:56:44,666 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 23:56:44,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 23:56:44,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 23:56:44,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 23:56:44,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 23:56:44,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 23:56:44,871 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 23:56:44,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-26.i [2023-12-22 23:56:46,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 23:56:46,202 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 23:56:46,203 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-26.i [2023-12-22 23:56:46,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f2a1f42/1d6852d1a1ec4e95a8df4d735e2268de/FLAG3cf0befab [2023-12-22 23:56:46,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f2a1f42/1d6852d1a1ec4e95a8df4d735e2268de [2023-12-22 23:56:46,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 23:56:46,233 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 23:56:46,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 23:56:46,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 23:56:46,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 23:56:46,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f404cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46, skipping insertion in model container [2023-12-22 23:56:46,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 23:56:46,370 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-100_file-26.i[916,929] [2023-12-22 23:56:46,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:56:46,457 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 23:56:46,466 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-100_file-26.i[916,929] [2023-12-22 23:56:46,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:56:46,523 INFO L206 MainTranslator]: Completed translation [2023-12-22 23:56:46,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46 WrapperNode [2023-12-22 23:56:46,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 23:56:46,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 23:56:46,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 23:56:46,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 23:56:46,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,588 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 328 [2023-12-22 23:56:46,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 23:56:46,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 23:56:46,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 23:56:46,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 23:56:46,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,621 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]. [2023-12-22 23:56:46,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 23:56:46,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 23:56:46,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 23:56:46,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 23:56:46,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (1/1) ... [2023-12-22 23:56:46,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:56:46,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 23:56:46,722 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) [2023-12-22 23:56:46,737 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 [2023-12-22 23:56:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 23:56:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 23:56:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 23:56:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 23:56:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 23:56:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 23:56:46,855 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 23:56:46,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 23:57:01,748 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 23:57:01,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 23:57:01,804 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 23:57:01,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:57:01 BoogieIcfgContainer [2023-12-22 23:57:01,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 23:57:01,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 23:57:01,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 23:57:01,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 23:57:01,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:56:46" (1/3) ... [2023-12-22 23:57:01,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52847511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:57:01, skipping insertion in model container [2023-12-22 23:57:01,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:56:46" (2/3) ... [2023-12-22 23:57:01,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52847511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:57:01, skipping insertion in model container [2023-12-22 23:57:01,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:57:01" (3/3) ... [2023-12-22 23:57:01,811 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-26.i [2023-12-22 23:57:01,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 23:57:01,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 23:57:01,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 23:57:01,876 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;@6c3622f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 23:57:01,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 23:57:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 81 states have (on average 1.4938271604938271) internal successors, (121), 82 states have internal predecessors, (121), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-22 23:57:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-12-22 23:57:01,896 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:57:01,897 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:57:01,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:57:01,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:57:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1149540340, now seen corresponding path program 1 times [2023-12-22 23:57:01,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:57:01,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228745238] [2023-12-22 23:57:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:57:01,913 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 [2023-12-22 23:57:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:57:01,915 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) [2023-12-22 23:57:01,933 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 [2023-12-22 23:57:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:57:03,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 23:57:03,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:57:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 2564 proven. 0 refuted. 0 times theorem prover too weak. 4756 trivial. 0 not checked. [2023-12-22 23:57:03,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 23:57:03,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:57:03,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228745238] [2023-12-22 23:57:03,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [228745238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 23:57:03,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 23:57:03,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 23:57:03,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695115639] [2023-12-22 23:57:03,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 23:57:03,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 23:57:03,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:57:03,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 23:57:03,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 23:57:03,263 INFO L87 Difference]: Start difference. First operand has 145 states, 81 states have (on average 1.4938271604938271) internal successors, (121), 82 states have internal predecessors, (121), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-12-22 23:57:08,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:57:08,103 INFO L93 Difference]: Finished difference Result 284 states and 539 transitions. [2023-12-22 23:57:08,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 23:57:08,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 362 [2023-12-22 23:57:08,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:57:08,359 INFO L225 Difference]: With dead ends: 284 [2023-12-22 23:57:08,360 INFO L226 Difference]: Without dead ends: 140 [2023-12-22 23:57:08,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 23:57:08,364 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-22 23:57:08,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 226 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-12-22 23:57:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-22 23:57:08,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-12-22 23:57:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-22 23:57:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 229 transitions. [2023-12-22 23:57:08,433 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 229 transitions. Word has length 362 [2023-12-22 23:57:08,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:57:08,434 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 229 transitions. [2023-12-22 23:57:08,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-12-22 23:57:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 229 transitions. [2023-12-22 23:57:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-12-22 23:57:08,446 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:57:08,446 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:57:08,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-22 23:57:08,660 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 [2023-12-22 23:57:08,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:57:08,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:57:08,662 INFO L85 PathProgramCache]: Analyzing trace with hash 609882834, now seen corresponding path program 1 times [2023-12-22 23:57:08,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:57:08,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114400899] [2023-12-22 23:57:08,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:57:08,663 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 [2023-12-22 23:57:08,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:57:08,665 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) [2023-12-22 23:57:08,666 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 [2023-12-22 23:57:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:57:09,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-22 23:57:09,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:57:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3538 proven. 69 refuted. 0 times theorem prover too weak. 3713 trivial. 0 not checked. [2023-12-22 23:57:11,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 23:57:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 111 proven. 69 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2023-12-22 23:57:13,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:57:13,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114400899] [2023-12-22 23:57:13,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114400899] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 23:57:13,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 23:57:13,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-22 23:57:13,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760559761] [2023-12-22 23:57:13,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 23:57:13,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-22 23:57:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:57:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-22 23:57:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-22 23:57:13,065 INFO L87 Difference]: Start difference. First operand 140 states and 229 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-22 23:57:20,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:24,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:28,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:57:28,436 INFO L93 Difference]: Finished difference Result 285 states and 462 transitions. [2023-12-22 23:57:28,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-22 23:57:28,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) Word has length 362 [2023-12-22 23:57:28,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:57:28,694 INFO L225 Difference]: With dead ends: 285 [2023-12-22 23:57:28,694 INFO L226 Difference]: Without dead ends: 146 [2023-12-22 23:57:28,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 716 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-22 23:57:28,696 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 126 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-12-22 23:57:28,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 350 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 306 Invalid, 3 Unknown, 0 Unchecked, 15.1s Time] [2023-12-22 23:57:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-12-22 23:57:28,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2023-12-22 23:57:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.35) internal successors, (108), 80 states have internal predecessors, (108), 61 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-22 23:57:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 230 transitions. [2023-12-22 23:57:28,723 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 230 transitions. Word has length 362 [2023-12-22 23:57:28,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:57:28,724 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 230 transitions. [2023-12-22 23:57:28,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 2 states have call successors, (84), 2 states have call predecessors, (84), 4 states have return successors, (85), 2 states have call predecessors, (85), 2 states have call successors, (85) [2023-12-22 23:57:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 230 transitions. [2023-12-22 23:57:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-12-22 23:57:28,726 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:57:28,727 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:57:28,754 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 [2023-12-22 23:57:28,952 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 [2023-12-22 23:57:28,952 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:57:28,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:57:28,953 INFO L85 PathProgramCache]: Analyzing trace with hash -41791575, now seen corresponding path program 1 times [2023-12-22 23:57:28,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:57:28,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753312148] [2023-12-22 23:57:28,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:57:28,954 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 [2023-12-22 23:57:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:57:28,956 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) [2023-12-22 23:57:28,969 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 [2023-12-22 23:57:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:57:29,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 23:57:29,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:57:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3692 proven. 150 refuted. 0 times theorem prover too weak. 3478 trivial. 0 not checked. [2023-12-22 23:57:34,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 23:57:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 204 proven. 153 refuted. 0 times theorem prover too weak. 6963 trivial. 0 not checked. [2023-12-22 23:57:37,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:57:37,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753312148] [2023-12-22 23:57:37,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753312148] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 23:57:37,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 23:57:37,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-22 23:57:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53586860] [2023-12-22 23:57:37,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 23:57:37,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-22 23:57:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:57:37,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-22 23:57:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-22 23:57:37,744 INFO L87 Difference]: Start difference. First operand 144 states and 230 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 3 states have call successors, (87), 3 states have call predecessors, (87), 6 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2023-12-22 23:57:48,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:52,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:57:56,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:00,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:04,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:08,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:12,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:16,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:20,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:24,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:32,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:36,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:40,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:44,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:48,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:52,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:58:56,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:05,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:59:05,055 INFO L93 Difference]: Finished difference Result 658 states and 1027 transitions. [2023-12-22 23:59:05,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-12-22 23:59:05,056 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 3 states have call successors, (87), 3 states have call predecessors, (87), 6 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 363 [2023-12-22 23:59:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:59:05,061 INFO L225 Difference]: With dead ends: 658 [2023-12-22 23:59:05,061 INFO L226 Difference]: Without dead ends: 515 [2023-12-22 23:59:05,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 715 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=556, Invalid=1514, Unknown=0, NotChecked=0, Total=2070 [2023-12-22 23:59:05,063 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 528 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 533 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 533 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.0s IncrementalHoareTripleChecker+Time [2023-12-22 23:59:05,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 867 Invalid, 1746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [533 Valid, 1195 Invalid, 18 Unknown, 0 Unchecked, 84.0s Time] [2023-12-22 23:59:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2023-12-22 23:59:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 340. [2023-12-22 23:59:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 178 states have internal predecessors, (218), 155 states have call successors, (155), 8 states have call predecessors, (155), 8 states have return successors, (155), 153 states have call predecessors, (155), 155 states have call successors, (155) [2023-12-22 23:59:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 528 transitions. [2023-12-22 23:59:05,133 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 528 transitions. Word has length 363 [2023-12-22 23:59:05,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:59:05,134 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 528 transitions. [2023-12-22 23:59:05,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 3 states have call successors, (87), 3 states have call predecessors, (87), 6 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2023-12-22 23:59:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 528 transitions. [2023-12-22 23:59:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2023-12-22 23:59:05,137 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:59:05,137 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:59:05,166 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 [2023-12-22 23:59:05,351 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 [2023-12-22 23:59:05,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:59:05,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:59:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -698061667, now seen corresponding path program 1 times [2023-12-22 23:59:05,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:59:05,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547270726] [2023-12-22 23:59:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:59:05,353 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 [2023-12-22 23:59:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:59:05,355 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) [2023-12-22 23:59:05,356 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 [2023-12-22 23:59:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:59:06,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-22 23:59:06,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:59:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 964 proven. 168 refuted. 0 times theorem prover too weak. 6188 trivial. 0 not checked. [2023-12-22 23:59:12,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 23:59:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-22 23:59:12,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:59:12,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547270726] [2023-12-22 23:59:12,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547270726] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 23:59:12,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 23:59:12,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-22 23:59:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543864219] [2023-12-22 23:59:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 23:59:12,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 23:59:12,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:59:12,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 23:59:12,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-22 23:59:12,768 INFO L87 Difference]: Start difference. First operand 340 states and 528 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-22 23:59:18,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:22,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:26,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:30,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:34,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:59:34,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:59:34,837 INFO L93 Difference]: Finished difference Result 676 states and 1040 transitions. [2023-12-22 23:59:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 23:59:34,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 364 [2023-12-22 23:59:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:59:34,841 INFO L225 Difference]: With dead ends: 676 [2023-12-22 23:59:34,841 INFO L226 Difference]: Without dead ends: 388 [2023-12-22 23:59:34,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-22 23:59:34,843 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 50 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2023-12-22 23:59:34,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 690 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 22.0s Time] [2023-12-22 23:59:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-12-22 23:59:34,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2023-12-22 23:59:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 212 states have (on average 1.2735849056603774) internal successors, (270), 216 states have internal predecessors, (270), 161 states have call successors, (161), 10 states have call predecessors, (161), 10 states have return successors, (161), 157 states have call predecessors, (161), 161 states have call successors, (161) [2023-12-22 23:59:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 592 transitions. [2023-12-22 23:59:34,888 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 592 transitions. Word has length 364 [2023-12-22 23:59:34,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:59:34,889 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 592 transitions. [2023-12-22 23:59:34,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-22 23:59:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 592 transitions. [2023-12-22 23:59:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-12-22 23:59:34,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:59:34,891 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:59:34,916 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 [2023-12-22 23:59:35,109 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 [2023-12-22 23:59:35,112 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:59:35,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:59:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1092054362, now seen corresponding path program 1 times [2023-12-22 23:59:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:59:35,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647440469] [2023-12-22 23:59:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:59:35,113 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 [2023-12-22 23:59:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:59:35,114 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) [2023-12-22 23:59:35,115 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 [2023-12-22 23:59:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:59:36,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 23:59:36,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:59:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-22 23:59:52,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 23:59:52,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:59:52,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647440469] [2023-12-22 23:59:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647440469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 23:59:52,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 23:59:52,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 23:59:52,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804772708] [2023-12-22 23:59:52,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 23:59:52,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 23:59:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:59:52,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 23:59:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-22 23:59:52,697 INFO L87 Difference]: Start difference. First operand 384 states and 592 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-22 23:59:58,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:02,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:08,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:12,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:17,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:23,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:28,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:32,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:36,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:00:36,480 INFO L93 Difference]: Finished difference Result 884 states and 1354 transitions. [2023-12-23 00:00:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 00:00:36,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 365 [2023-12-23 00:00:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:00:36,807 INFO L225 Difference]: With dead ends: 884 [2023-12-23 00:00:36,807 INFO L226 Difference]: Without dead ends: 552 [2023-12-23 00:00:36,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 00:00:36,810 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 137 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 123 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2023-12-23 00:00:36,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 633 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 43.6s Time] [2023-12-23 00:00:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-12-23 00:00:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 315. [2023-12-23 00:00:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 181 states have internal predecessors, (230), 125 states have call successors, (125), 9 states have call predecessors, (125), 9 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-12-23 00:00:36,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 480 transitions. [2023-12-23 00:00:36,868 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 480 transitions. Word has length 365 [2023-12-23 00:00:36,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:00:36,869 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 480 transitions. [2023-12-23 00:00:36,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-23 00:00:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 480 transitions. [2023-12-23 00:00:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-12-23 00:00:36,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:00:36,871 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:00:36,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-23 00:00:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 00:00:37,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:00:37,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:00:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1350219800, now seen corresponding path program 1 times [2023-12-23 00:00:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:00:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233718908] [2023-12-23 00:00:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:00:37,099 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 00:00:37,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:00:37,100 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:00:37,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-23 00:00:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:00:38,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-23 00:00:38,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:02:54,746 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 00:03:03,403 WARN L293 SmtUtils]: Spent 8.58s 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 00:03:12,681 WARN L293 SmtUtils]: Spent 9.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:03:22,005 WARN L293 SmtUtils]: Spent 9.32s 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 00:03:31,244 WARN L293 SmtUtils]: Spent 9.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:03:40,406 WARN L293 SmtUtils]: Spent 9.16s 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 00:03:47,116 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:03:56,477 WARN L293 SmtUtils]: Spent 9.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:05,970 WARN L293 SmtUtils]: Spent 9.49s 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 00:04:15,367 WARN L293 SmtUtils]: Spent 9.40s 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 00:04:24,729 WARN L293 SmtUtils]: Spent 9.36s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:34,104 WARN L293 SmtUtils]: Spent 9.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:43,472 WARN L293 SmtUtils]: Spent 9.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:52,885 WARN L293 SmtUtils]: Spent 9.41s 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 00:05:00,906 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:11,622 WARN L293 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:21,034 WARN L293 SmtUtils]: Spent 9.41s 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 00:05:30,417 WARN L293 SmtUtils]: Spent 9.38s 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 00:05:39,803 WARN L293 SmtUtils]: Spent 9.38s 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 00:05:49,215 WARN L293 SmtUtils]: Spent 9.41s 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 00:05:58,568 WARN L293 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:06:07,946 WARN L293 SmtUtils]: Spent 9.38s 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 00:06:17,290 WARN L293 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:06:26,736 WARN L293 SmtUtils]: Spent 9.44s 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 00:06:36,091 WARN L293 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:06:45,512 WARN L293 SmtUtils]: Spent 9.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:06:54,888 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:07:04,555 WARN L293 SmtUtils]: Spent 9.67s 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 00:07:08,912 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv10000 16) c_~var_1_12~0) (= c_~var_1_22~0 c_~var_1_24~0) (= c_~last_1_var_1_22~0 (_ bv5 8)) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6))))) (= c_~var_1_20~0 c_~var_1_21~0) (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0)) c_~last_1_var_1_20~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_~last_1_var_1_25~0 (_ bv10 16)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 00:07:13,280 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv10000 16) c_~var_1_12~0) (= c_~var_1_22~0 c_~var_1_24~0) (= c_~last_1_var_1_22~0 (_ bv5 8)) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6))))) (= c_~var_1_20~0 c_~var_1_21~0) (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0)) c_~last_1_var_1_20~0) (= c_~var_1_10~0 (_ bv0 8)) (= c_~last_1_var_1_25~0 (_ bv10 16)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 00:07:22,006 WARN L293 SmtUtils]: Spent 8.64s 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 00:07:31,150 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:07:40,283 WARN L293 SmtUtils]: Spent 9.13s 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 00:07:49,510 WARN L293 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:07:58,954 WARN L293 SmtUtils]: Spent 9.44s 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 00:08:08,111 WARN L293 SmtUtils]: Spent 9.16s 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 00:08:17,315 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:08:26,514 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:08:35,726 WARN L293 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:08:44,910 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:08:54,127 WARN L293 SmtUtils]: Spent 9.22s 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 00:09:03,511 WARN L293 SmtUtils]: Spent 9.38s 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 00:09:12,663 WARN L293 SmtUtils]: Spent 9.15s 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 00:09:21,720 WARN L293 SmtUtils]: Spent 9.06s 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 00:09:30,961 WARN L293 SmtUtils]: Spent 9.24s 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 00:09:39,979 WARN L293 SmtUtils]: Spent 9.02s 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 00:09:49,001 WARN L293 SmtUtils]: Spent 9.02s 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 00:09:58,038 WARN L293 SmtUtils]: Spent 9.04s 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 00:10:07,083 WARN L293 SmtUtils]: Spent 9.04s 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 00:10:16,076 WARN L293 SmtUtils]: Spent 8.99s 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 00:10:25,054 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:10:34,036 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:10:43,060 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:10:52,108 WARN L293 SmtUtils]: Spent 9.05s 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 00:11:01,111 WARN L293 SmtUtils]: Spent 9.00s 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 00:11:09,740 WARN L293 SmtUtils]: Spent 8.58s 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 00:11:18,788 WARN L293 SmtUtils]: Spent 9.05s 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 00:11:27,778 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 00:11:29,227 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 00:11:29,234 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 00:11:30,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-23 00:11:30,435 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 00:11:30,520 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 00:11:30,521 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 366 with TraceHistMax 61,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 00:11:30,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-23 00:11:30,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 00:11:30,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-23 00:11:30,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 12:11:30 BoogieIcfgContainer [2023-12-23 00:11:30,531 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 00:11:30,532 INFO L158 Benchmark]: Toolchain (without parser) took 884299.07ms. Allocated memory was 190.8MB in the beginning and 234.9MB in the end (delta: 44.0MB). Free memory was 140.5MB in the beginning and 194.8MB in the end (delta: -54.3MB). Peak memory consumption was 127.2MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,532 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 190.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 00:11:30,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.38ms. Allocated memory is still 190.8MB. Free memory was 140.1MB in the beginning and 121.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.27ms. Allocated memory is still 190.8MB. Free memory was 121.1MB in the beginning and 117.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,532 INFO L158 Benchmark]: Boogie Preprocessor took 76.73ms. Allocated memory is still 190.8MB. Free memory was 117.8MB in the beginning and 112.9MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,533 INFO L158 Benchmark]: RCFGBuilder took 15138.71ms. Allocated memory was 190.8MB in the beginning and 234.9MB in the end (delta: 44.0MB). Free memory was 112.9MB in the beginning and 180.7MB in the end (delta: -67.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,533 INFO L158 Benchmark]: TraceAbstraction took 868725.09ms. Allocated memory is still 234.9MB. Free memory was 179.6MB in the beginning and 194.8MB in the end (delta: -15.2MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2023-12-23 00:11:30,534 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 190.8MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.38ms. Allocated memory is still 190.8MB. Free memory was 140.1MB in the beginning and 121.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.27ms. Allocated memory is still 190.8MB. Free memory was 121.1MB in the beginning and 117.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.73ms. Allocated memory is still 190.8MB. Free memory was 117.8MB in the beginning and 112.9MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 15138.71ms. Allocated memory was 190.8MB in the beginning and 234.9MB in the end (delta: 44.0MB). Free memory was 112.9MB in the beginning and 180.7MB in the end (delta: -67.8MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 868725.09ms. Allocated memory is still 234.9MB. Free memory was 179.6MB in the beginning and 194.8MB in the end (delta: -15.2MB). Peak memory consumption was 120.7MB. 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 366 with TraceHistMax 61,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 868.7s, OverallIterations: 6, TraceHistogramMax: 61, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 174.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 915 SdHoareTripleChecker+Valid, 169.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 2766 SdHoareTripleChecker+Invalid, 166.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1664 mSDsCounter, 681 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1552 IncrementalHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 681 mSolverCounterUnsat, 1102 mSDtfsCounter, 1552 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2939 GetRequests, 2873 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 623 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=4, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 418 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 34.1s InterpolantComputationTime, 1816 NumberOfCodeBlocks, 1816 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 2897 ConstructedInterpolants, 0 QuantifiedInterpolants, 9238 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2886 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 57951/58560 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