/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-18.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 23:51:07,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 23:51:07,090 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 23:51:07,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 23:51:07,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 23:51:07,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 23:51:07,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 23:51:07,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 23:51:07,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 23:51:07,114 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 23:51:07,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 23:51:07,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 23:51:07,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 23:51:07,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 23:51:07,116 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 23:51:07,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 23:51:07,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 23:51:07,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 23:51:07,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 23:51:07,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 23:51:07,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 23:51:07,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 23:51:07,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 23:51:07,118 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 23:51:07,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 23:51:07,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 23:51:07,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 23:51:07,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 23:51:07,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 23:51:07,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 23:51:07,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 23:51:07,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 23:51:07,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 23:51:07,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 23:51:07,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:51:07,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 23:51:07,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 23:51:07,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 23:51:07,122 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 23:51:07,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 23:51:07,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 23:51:07,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 23:51:07,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 23:51:07,123 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 23:51:07,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 23:51:07,124 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 23:51:07,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 23:51:07,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 23:51:07,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 23:51:07,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 23:51:07,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 23:51:07,359 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 23:51:07,360 INFO L431 ainManager$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-18.i [2023-12-22 23:51:08,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 23:51:08,789 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 23:51:08,790 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-18.i [2023-12-22 23:51:08,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cedf750d9/29119aa8f94d409da28e8f52c0e5e4e1/FLAG6bfcf280e [2023-12-22 23:51:08,817 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cedf750d9/29119aa8f94d409da28e8f52c0e5e4e1 [2023-12-22 23:51:08,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 23:51:08,824 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 23:51:08,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 23:51:08,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 23:51:08,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 23:51:08,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:51:08" (1/1) ... [2023-12-22 23:51:08,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d58f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:08, skipping insertion in model container [2023-12-22 23:51:08,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:51:08" (1/1) ... [2023-12-22 23:51:08,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 23:51:09,031 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-18.i[916,929] [2023-12-22 23:51:09,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:51:09,131 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 23:51:09,142 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-18.i[916,929] [2023-12-22 23:51:09,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:51:09,204 INFO L206 MainTranslator]: Completed translation [2023-12-22 23:51:09,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09 WrapperNode [2023-12-22 23:51:09,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 23:51:09,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 23:51:09,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 23:51:09,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 23:51:09,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,269 INFO L138 Inliner]: procedures = 27, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2023-12-22 23:51:09,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 23:51:09,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 23:51:09,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 23:51:09,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 23:51:09,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,306 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 23:51:09,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,334 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 23:51:09,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 23:51:09,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 23:51:09,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 23:51:09,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (1/1) ... [2023-12-22 23:51:09,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:51:09,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 23:51:09,401 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 23:51:09,432 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 23:51:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 23:51:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 23:51:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 23:51:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 23:51:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 23:51:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 23:51:09,534 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 23:51:09,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 23:51:34,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 23:51:34,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 23:51:34,930 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 23:51:34,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:51:34 BoogieIcfgContainer [2023-12-22 23:51:34,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 23:51:34,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 23:51:34,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 23:51:34,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 23:51:34,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:51:08" (1/3) ... [2023-12-22 23:51:34,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:51:34, skipping insertion in model container [2023-12-22 23:51:34,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:51:09" (2/3) ... [2023-12-22 23:51:34,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:51:34, skipping insertion in model container [2023-12-22 23:51:34,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:51:34" (3/3) ... [2023-12-22 23:51:34,940 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-18.i [2023-12-22 23:51:34,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 23:51:34,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 23:51:35,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 23:51:35,049 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;@2c75b4a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 23:51:35,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 23:51:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-22 23:51:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-22 23:51:35,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:51:35,069 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:35,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:51:35,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:51:35,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1396123196, now seen corresponding path program 1 times [2023-12-22 23:51:35,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:51:35,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919781354] [2023-12-22 23:51:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:51:35,085 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 23:51:35,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:51:35,088 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 23:51:35,088 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 23:51:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:51:36,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 23:51:36,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:51:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1494 proven. 0 refuted. 0 times theorem prover too weak. 2290 trivial. 0 not checked. [2023-12-22 23:51:36,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 23:51:36,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:51:36,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919781354] [2023-12-22 23:51:36,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919781354] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 23:51:36,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 23:51:36,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 23:51:36,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506497588] [2023-12-22 23:51:36,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 23:51:36,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 23:51:36,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:51:36,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 23:51:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 23:51:36,469 INFO L87 Difference]: Start difference. First operand has 117 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-22 23:51:41,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:51:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:51:41,595 INFO L93 Difference]: Finished difference Result 231 states and 430 transitions. [2023-12-22 23:51:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 23:51:41,934 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 271 [2023-12-22 23:51:41,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:51:41,940 INFO L225 Difference]: With dead ends: 231 [2023-12-22 23:51:41,940 INFO L226 Difference]: Without dead ends: 115 [2023-12-22 23:51:41,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 270 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 23:51:41,946 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-22 23:51:41,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2023-12-22 23:51:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-22 23:51:42,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-22 23:51:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-12-22 23:51:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 189 transitions. [2023-12-22 23:51:42,011 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 189 transitions. Word has length 271 [2023-12-22 23:51:42,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:51:42,012 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 189 transitions. [2023-12-22 23:51:42,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-12-22 23:51:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2023-12-22 23:51:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-22 23:51:42,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:51:42,018 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:51:42,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-22 23:51:42,249 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 23:51:42,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:51:42,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:51:42,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2054588228, now seen corresponding path program 1 times [2023-12-22 23:51:42,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:51:42,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888437250] [2023-12-22 23:51:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:51:42,252 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 23:51:42,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:51:42,253 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 23:51:42,254 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 23:51:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:51:43,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 23:51:43,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:51:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1957 proven. 126 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked. [2023-12-22 23:51:51,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 23:51:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 66 proven. 63 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2023-12-22 23:51:54,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 23:51:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888437250] [2023-12-22 23:51:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [888437250] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 23:51:54,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 23:51:54,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2023-12-22 23:51:54,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351121361] [2023-12-22 23:51:54,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 23:51:54,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-22 23:51:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 23:51:54,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-22 23:51:54,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-22 23:51:54,364 INFO L87 Difference]: Start difference. First operand 115 states and 189 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (66), 3 states have call predecessors, (66), 5 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2023-12-22 23:52:08,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:12,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:16,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:20,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:24,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:28,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:32,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:36,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:40,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:44,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:48,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:52,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:52:56,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:01,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:05,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:09,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:13,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:17,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 23:53:21,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 23:53:21,224 INFO L93 Difference]: Finished difference Result 392 states and 631 transitions. [2023-12-22 23:53:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-22 23:53:21,225 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (66), 3 states have call predecessors, (66), 5 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 271 [2023-12-22 23:53:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 23:53:21,229 INFO L225 Difference]: With dead ends: 392 [2023-12-22 23:53:21,229 INFO L226 Difference]: Without dead ends: 278 [2023-12-22 23:53:21,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=216, Invalid=434, Unknown=0, NotChecked=0, Total=650 [2023-12-22 23:53:21,232 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 371 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 107 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.6s IncrementalHoareTripleChecker+Time [2023-12-22 23:53:21,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 602 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 831 Invalid, 18 Unknown, 0 Unchecked, 84.6s Time] [2023-12-22 23:53:21,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-22 23:53:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 195. [2023-12-22 23:53:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 125 states have (on average 1.464) internal successors, (183), 126 states have internal predecessors, (183), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-22 23:53:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 313 transitions. [2023-12-22 23:53:21,267 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 313 transitions. Word has length 271 [2023-12-22 23:53:21,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 23:53:21,271 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 313 transitions. [2023-12-22 23:53:21,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 4 states have call successors, (66), 3 states have call predecessors, (66), 5 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2023-12-22 23:53:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 313 transitions. [2023-12-22 23:53:21,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-12-22 23:53:21,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:53:21,276 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:53:21,322 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 23:53:21,503 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 23:53:21,504 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:53:21,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:53:21,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1540808031, now seen corresponding path program 1 times [2023-12-22 23:53:21,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:53:21,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722248678] [2023-12-22 23:53:21,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:53:21,506 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 23:53:21,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:53:21,507 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 23:53:21,509 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 23:53:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:53:24,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-22 23:53:24,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 23:57:25,892 WARN L293 SmtUtils]: Spent 32.41s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-22 23:57:34,859 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:57:43,842 WARN L293 SmtUtils]: Spent 8.98s 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) [2023-12-22 23:57:52,783 WARN L293 SmtUtils]: Spent 8.94s 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) [2023-12-22 23:58:01,888 WARN L293 SmtUtils]: Spent 9.10s 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) [2023-12-22 23:58:10,876 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:58:19,872 WARN L293 SmtUtils]: Spent 8.99s 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) [2023-12-22 23:58:28,868 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:58:37,891 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:58:46,905 WARN L293 SmtUtils]: Spent 9.01s 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) [2023-12-22 23:58:55,930 WARN L293 SmtUtils]: Spent 9.02s 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) [2023-12-22 23:59:05,017 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:59:14,031 WARN L293 SmtUtils]: Spent 9.01s 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) [2023-12-22 23:59:23,037 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-22 23:59:32,053 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) [2023-12-22 23:59:41,087 WARN L293 SmtUtils]: Spent 9.03s 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) [2023-12-22 23:59:50,085 WARN L293 SmtUtils]: Spent 9.00s 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) [2023-12-22 23:59:58,724 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 00:00:07,810 WARN L293 SmtUtils]: Spent 9.08s 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 00:00:16,975 WARN L293 SmtUtils]: Spent 9.16s 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 00:00:26,085 WARN L293 SmtUtils]: Spent 9.11s 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 00:00:35,180 WARN L293 SmtUtils]: Spent 9.09s 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 00:00:44,280 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:00:53,595 WARN L293 SmtUtils]: Spent 9.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:01:02,749 WARN L293 SmtUtils]: Spent 9.15s 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 00:01:11,873 WARN L293 SmtUtils]: Spent 9.12s 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 00:01:20,942 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:01:30,025 WARN L293 SmtUtils]: Spent 9.08s 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 00:01:39,154 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 00:01:48,337 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:01:57,536 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:02:06,788 WARN L293 SmtUtils]: Spent 9.25s 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 00:02:15,941 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 00:02:25,098 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 00:02:34,325 WARN L293 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:02:43,534 WARN L293 SmtUtils]: Spent 9.21s 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 00:02:52,692 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:02:57,012 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse4)) (.cse3 (fp.neg .cse5))) (and (= c_~var_1_10~0 c_~var_1_11~0) (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0))) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (let ((.cse0 (fp.gt c_~var_1_13~0 .cse1))) (or (and (= c_~var_1_12~0 c_~var_1_13~0) .cse0) (and (not .cse0) (= c_~var_1_12~0 .cse1))))) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (or (and (fp.leq c_~var_1_15~0 .cse2) (fp.geq c_~var_1_15~0 .cse3)) (and (fp.geq c_~var_1_15~0 .cse4) (fp.leq c_~var_1_15~0 .cse5))) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 (fp.neg .cse6)) (fp.leq c_~var_1_13~0 .cse2)) (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse6)))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse4)) (and (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3))) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_5~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse11 (= .cse12 c_~var_1_19~0)) (.cse13 (fp.gt .cse12 .cse10))) (or (and (let ((.cse9 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse7 (fp.gt .cse12 .cse9))) (or (and (not .cse7) (let ((.cse8 (fp.lt .cse9 .cse10))) (or (and .cse8 (= .cse9 c_~var_1_19~0)) (and (not .cse8) (= .cse10 c_~var_1_19~0))))) (and .cse11 .cse7)))) (not .cse13)) (and .cse11 .cse13)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-23 00:03:01,307 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 (fp.neg .cse4)) (.cse3 (fp.neg .cse5))) (and (= c_~var_1_10~0 c_~var_1_11~0) (fp.leq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0) (fp.div c_currentRoundingMode c_~var_1_19~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_3~0))) (= (bvadd (_ bv8 32) c_~last_1_var_1_16~0) (_ bv0 32)) (let ((.cse1 (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0))) (let ((.cse0 (fp.gt c_~var_1_13~0 .cse1))) (or (and (= c_~var_1_12~0 c_~var_1_13~0) .cse0) (and (not .cse0) (= c_~var_1_12~0 .cse1))))) (= c_~var_1_16~0 ((_ sign_extend 24) c_~var_1_8~0)) (or (and (fp.leq c_~var_1_15~0 .cse2) (fp.geq c_~var_1_15~0 .cse3)) (and (fp.geq c_~var_1_15~0 .cse4) (fp.leq c_~var_1_15~0 .cse5))) (= (bvadd (_ bv1 8) c_~last_1_var_1_1~0) (_ bv0 8)) (not (bvslt ((_ sign_extend 24) c_~var_1_9~0) (_ bv4294967288 32))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_13~0 (fp.neg .cse6)) (fp.leq c_~var_1_13~0 .cse2)) (and (fp.geq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_13~0 .cse6)))) (or (and (fp.leq c_~var_1_14~0 .cse5) (fp.geq c_~var_1_14~0 .cse4)) (and (fp.leq c_~var_1_14~0 .cse2) (fp.geq c_~var_1_14~0 .cse3))) (fp.geq c_~var_1_5~0 .cse4) (fp.leq c_~var_1_5~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (not (= c_~var_1_7~0 (_ bv0 8))) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_14~0)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0))) (let ((.cse11 (= .cse12 c_~var_1_19~0)) (.cse13 (fp.gt .cse12 .cse10))) (or (and (let ((.cse9 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 20.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_15~0)))) (let ((.cse7 (fp.gt .cse12 .cse9))) (or (and (not .cse7) (let ((.cse8 (fp.lt .cse9 .cse10))) (or (and .cse8 (= .cse9 c_~var_1_19~0)) (and (not .cse8) (= .cse10 c_~var_1_19~0))))) (and .cse11 .cse7)))) (not .cse13)) (and .cse11 .cse13)))) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-23 00:03:10,523 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 00:03:19,686 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 00:03:28,875 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:03:38,234 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 00:03:47,506 WARN L293 SmtUtils]: Spent 9.27s 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 00:03:56,857 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 00:04:06,227 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 00:04:15,628 WARN L293 SmtUtils]: Spent 9.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:25,029 WARN L293 SmtUtils]: Spent 9.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:34,364 WARN L293 SmtUtils]: Spent 9.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:04:43,721 WARN L293 SmtUtils]: Spent 9.36s 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 00:04:53,119 WARN L293 SmtUtils]: Spent 9.40s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:02,457 WARN L293 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:11,840 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:21,194 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 00:05:30,532 WARN L293 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 00:05:39,852 WARN L293 SmtUtils]: Spent 9.32s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 00:05:40,192 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 00:05:40,192 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 00:05:41,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 00:05:41,400 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 00:05:41,502 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 00:05:41,505 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 00:05:41,505 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 272 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 00:05:41,508 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 00:05:41,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 00:05:41,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 12:05:41 BoogieIcfgContainer [2023-12-23 00:05:41,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 00:05:41,513 INFO L158 Benchmark]: Toolchain (without parser) took 872689.31ms. Allocated memory is still 266.3MB. Free memory was 220.9MB in the beginning and 113.5MB in the end (delta: 107.4MB). Peak memory consumption was 108.4MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,513 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 195.0MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 00:05:41,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.72ms. Allocated memory is still 266.3MB. Free memory was 220.4MB in the beginning and 202.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.45ms. Allocated memory is still 266.3MB. Free memory was 202.6MB in the beginning and 199.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,514 INFO L158 Benchmark]: Boogie Preprocessor took 63.72ms. Allocated memory is still 266.3MB. Free memory was 199.4MB in the beginning and 194.7MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,514 INFO L158 Benchmark]: RCFGBuilder took 25595.47ms. Allocated memory is still 266.3MB. Free memory was 194.7MB in the beginning and 160.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,515 INFO L158 Benchmark]: TraceAbstraction took 846579.78ms. Allocated memory is still 266.3MB. Free memory was 159.6MB in the beginning and 113.5MB in the end (delta: 46.0MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. [2023-12-23 00:05:41,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 195.0MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 379.72ms. Allocated memory is still 266.3MB. Free memory was 220.4MB in the beginning and 202.6MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.45ms. Allocated memory is still 266.3MB. Free memory was 202.6MB in the beginning and 199.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.72ms. Allocated memory is still 266.3MB. Free memory was 199.4MB in the beginning and 194.7MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 25595.47ms. Allocated memory is still 266.3MB. Free memory was 194.7MB in the beginning and 160.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 846579.78ms. Allocated memory is still 266.3MB. Free memory was 159.6MB in the beginning and 113.5MB in the end (delta: 46.0MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 272 with TraceHistMax 44,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 846.5s, OverallIterations: 3, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 92.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 mSolverCounterUnknown, 413 SdHoareTripleChecker+Valid, 89.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 371 mSDsluCounter, 788 SdHoareTripleChecker+Invalid, 88.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 449 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 833 IncrementalHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 339 mSDtfsCounter, 833 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 824 GetRequests, 800 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 810 ConstructedInterpolants, 0 QuantifiedInterpolants, 2058 SizeOfPredicates, 4 NumberOfNonLiveVariables, 876 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 11163/11352 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