/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_fillercodestructure_filler-pe-cn_file-37.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 08:26:33,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 08:26:33,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 08:26:33,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 08:26:33,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 08:26:33,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 08:26:33,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 08:26:33,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 08:26:33,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 08:26:33,129 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 08:26:33,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 08:26:33,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 08:26:33,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 08:26:33,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 08:26:33,132 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 08:26:33,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 08:26:33,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 08:26:33,133 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 08:26:33,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 08:26:33,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 08:26:33,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 08:26:33,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 08:26:33,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 08:26:33,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 08:26:33,135 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 08:26:33,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 08:26:33,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 08:26:33,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 08:26:33,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 08:26:33,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 08:26:33,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 08:26:33,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 08:26:33,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 08:26:33,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 08:26:33,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 08:26:33,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 08:26:33,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 08:26:33,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 08:26:33,138 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 08:26:33,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 08:26:33,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 08:26:33,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 08:26:33,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 08:26:33,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 08:26:33,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 08:26:33,140 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 08:26:33,140 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 08:26:33,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 08:26:33,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 08:26:33,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 08:26:33,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 08:26:33,384 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 08:26:33,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-37.i [2023-12-23 08:26:34,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 08:26:34,706 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 08:26:34,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-37.i [2023-12-23 08:26:34,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade685ec2/e765f04f2fd947078f3873ab2477b4fa/FLAG0485a509b [2023-12-23 08:26:34,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ade685ec2/e765f04f2fd947078f3873ab2477b4fa [2023-12-23 08:26:34,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 08:26:34,733 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 08:26:34,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 08:26:34,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 08:26:34,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 08:26:34,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:26:34" (1/1) ... [2023-12-23 08:26:34,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d02c320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:34, skipping insertion in model container [2023-12-23 08:26:34,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:26:34" (1/1) ... [2023-12-23 08:26:34,769 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 08:26:34,878 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_fillercodestructure_filler-pe-cn_file-37.i[919,932] [2023-12-23 08:26:34,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 08:26:34,957 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 08:26:34,967 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_fillercodestructure_filler-pe-cn_file-37.i[919,932] [2023-12-23 08:26:35,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 08:26:35,035 INFO L206 MainTranslator]: Completed translation [2023-12-23 08:26:35,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35 WrapperNode [2023-12-23 08:26:35,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 08:26:35,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 08:26:35,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 08:26:35,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 08:26:35,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,089 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-12-23 08:26:35,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 08:26:35,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 08:26:35,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 08:26:35,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 08:26:35,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,135 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 08:26:35,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 08:26:35,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 08:26:35,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 08:26:35,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 08:26:35,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (1/1) ... [2023-12-23 08:26:35,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 08:26:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 08:26:35,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 08:26:35,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 08:26:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 08:26:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 08:26:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 08:26:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 08:26:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 08:26:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 08:26:35,349 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 08:26:35,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 08:26:46,891 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 08:26:46,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 08:26:46,927 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 08:26:46,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:26:46 BoogieIcfgContainer [2023-12-23 08:26:46,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 08:26:46,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 08:26:46,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 08:26:46,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 08:26:46,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:26:34" (1/3) ... [2023-12-23 08:26:46,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f27be9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:26:46, skipping insertion in model container [2023-12-23 08:26:46,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:26:35" (2/3) ... [2023-12-23 08:26:46,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f27be9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:26:46, skipping insertion in model container [2023-12-23 08:26:46,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:26:46" (3/3) ... [2023-12-23 08:26:46,935 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-37.i [2023-12-23 08:26:46,950 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 08:26:46,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 08:26:47,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 08:26:47,013 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;@54b0e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 08:26:47,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 08:26:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-23 08:26:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-23 08:26:47,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:26:47,069 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:47,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:26:47,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:26:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1886655229, now seen corresponding path program 1 times [2023-12-23 08:26:47,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:26:47,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835968156] [2023-12-23 08:26:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:26:47,117 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 08:26:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:26:47,132 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 08:26:47,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 08:26:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:26:47,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 08:26:47,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:26:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 21 proven. 896 refuted. 0 times theorem prover too weak. 1603 trivial. 0 not checked. [2023-12-23 08:26:54,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 08:26:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 21 proven. 84 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-23 08:26:55,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:26:55,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835968156] [2023-12-23 08:26:55,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835968156] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 08:26:55,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 08:26:55,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-23 08:26:55,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277627887] [2023-12-23 08:26:55,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 08:26:55,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-23 08:26:55,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:26:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-23 08:26:55,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-23 08:26:55,409 INFO L87 Difference]: Start difference. First operand has 92 states, 53 states have (on average 1.490566037735849) internal successors, (79), 54 states have internal predecessors, (79), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 4 states have call successors, (72), 3 states have call predecessors, (72), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2023-12-23 08:26:59,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:02,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:05,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:09,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:13,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:17,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:27:17,698 INFO L93 Difference]: Finished difference Result 187 states and 343 transitions. [2023-12-23 08:27:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 08:27:17,775 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 4 states have call successors, (72), 3 states have call predecessors, (72), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) Word has length 221 [2023-12-23 08:27:17,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:27:17,782 INFO L225 Difference]: With dead ends: 187 [2023-12-23 08:27:17,782 INFO L226 Difference]: Without dead ends: 96 [2023-12-23 08:27:17,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2023-12-23 08:27:17,790 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 283 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 186 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2023-12-23 08:27:17,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 199 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 219 Invalid, 3 Unknown, 0 Unchecked, 21.4s Time] [2023-12-23 08:27:17,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-23 08:27:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2023-12-23 08:27:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-23 08:27:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2023-12-23 08:27:17,842 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 221 [2023-12-23 08:27:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:27:17,844 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2023-12-23 08:27:17,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 4 states have call successors, (72), 3 states have call predecessors, (72), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2023-12-23 08:27:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2023-12-23 08:27:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-23 08:27:17,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:27:17,849 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:17,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 08:27:18,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 08:27:18,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:27:18,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:27:18,053 INFO L85 PathProgramCache]: Analyzing trace with hash 430490391, now seen corresponding path program 1 times [2023-12-23 08:27:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:27:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110281037] [2023-12-23 08:27:18,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:27:18,054 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 08:27:18,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:27:18,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 08:27:18,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 08:27:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:27:18,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 08:27:18,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:27:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-23 08:27:18,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 08:27:18,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:27:18,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110281037] [2023-12-23 08:27:18,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110281037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 08:27:18,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 08:27:18,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 08:27:18,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862163229] [2023-12-23 08:27:18,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 08:27:18,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 08:27:18,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:27:18,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 08:27:18,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 08:27:18,714 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-23 08:27:23,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:23,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:27:23,422 INFO L93 Difference]: Finished difference Result 202 states and 314 transitions. [2023-12-23 08:27:23,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 08:27:23,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-12-23 08:27:23,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:27:23,425 INFO L225 Difference]: With dead ends: 202 [2023-12-23 08:27:23,425 INFO L226 Difference]: Without dead ends: 109 [2023-12-23 08:27:23,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 08:27:23,427 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 55 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-23 08:27:23,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 257 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-23 08:27:23,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-12-23 08:27:23,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2023-12-23 08:27:23,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 62 states have internal predecessors, (80), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-23 08:27:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 166 transitions. [2023-12-23 08:27:23,446 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 166 transitions. Word has length 222 [2023-12-23 08:27:23,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:27:23,447 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 166 transitions. [2023-12-23 08:27:23,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-23 08:27:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-12-23 08:27:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-23 08:27:23,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:27:23,451 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:23,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 08:27:23,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 08:27:23,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:27:23,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:27:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash -849373287, now seen corresponding path program 1 times [2023-12-23 08:27:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:27:23,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333846748] [2023-12-23 08:27:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:27:23,667 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 08:27:23,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:27:23,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 08:27:23,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 08:27:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:27:24,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 08:27:24,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:27:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-12-23 08:27:25,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 08:27:25,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 08:27:25,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333846748] [2023-12-23 08:27:25,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333846748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 08:27:25,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 08:27:25,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 08:27:25,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821538588] [2023-12-23 08:27:25,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 08:27:25,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 08:27:25,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 08:27:25,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 08:27:25,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-23 08:27:25,851 INFO L87 Difference]: Start difference. First operand 108 states and 166 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-23 08:27:30,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:34,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:38,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:42,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:46,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:50,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 08:27:50,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 08:27:50,975 INFO L93 Difference]: Finished difference Result 398 states and 608 transitions. [2023-12-23 08:27:50,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 08:27:50,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-12-23 08:27:50,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 08:27:50,985 INFO L225 Difference]: With dead ends: 398 [2023-12-23 08:27:50,985 INFO L226 Difference]: Without dead ends: 301 [2023-12-23 08:27:50,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-23 08:27:50,993 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 179 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-12-23 08:27:50,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 454 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 6 Unknown, 0 Unchecked, 25.1s Time] [2023-12-23 08:27:50,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2023-12-23 08:27:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2023-12-23 08:27:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 172 states have (on average 1.319767441860465) internal successors, (227), 173 states have internal predecessors, (227), 115 states have call successors, (115), 9 states have call predecessors, (115), 9 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2023-12-23 08:27:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 457 transitions. [2023-12-23 08:27:51,086 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 457 transitions. Word has length 222 [2023-12-23 08:27:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 08:27:51,090 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 457 transitions. [2023-12-23 08:27:51,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-12-23 08:27:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 457 transitions. [2023-12-23 08:27:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-23 08:27:51,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 08:27:51,094 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:51,116 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 08:27:51,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 08:27:51,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 08:27:51,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 08:27:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash -856999783, now seen corresponding path program 1 times [2023-12-23 08:27:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 08:27:51,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530204038] [2023-12-23 08:27:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 08:27:51,316 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 08:27:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 08:27:51,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 08:27:51,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 08:27:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 08:27:52,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-23 08:27:52,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:28:20,738 WARN L293 SmtUtils]: Spent 5.42s 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 08:28:38,229 WARN L293 SmtUtils]: Spent 5.96s 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 08:30:05,116 WARN L293 SmtUtils]: Spent 29.70s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 08:30:11,465 WARN L293 SmtUtils]: Spent 6.34s 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 08:30:29,886 WARN L293 SmtUtils]: Spent 5.16s 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 08:30:45,696 WARN L293 SmtUtils]: Spent 6.89s 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 08:32:12,647 WARN L293 SmtUtils]: Spent 28.15s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 08:32:32,771 WARN L293 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:32:49,547 WARN L293 SmtUtils]: Spent 6.63s 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 08:34:14,171 WARN L293 SmtUtils]: Spent 26.18s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 08:34:42,727 WARN L293 SmtUtils]: Spent 6.14s 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 08:34:48,813 WARN L293 SmtUtils]: Spent 5.99s 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 08:35:14,529 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:37:03,280 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ zero_extend 16) c_~var_1_3~0))) (let ((.cse2 (bvneg .cse10)) (.cse4 ((_ zero_extend 16) c_~var_1_17~0)) (.cse3 ((_ zero_extend 16) c_~var_1_2~0))) (and (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.leq c_~var_1_9~0 .cse0) (fp.geq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 (fp.neg .cse1)) (fp.geq c_~var_1_9~0 (fp.neg .cse0))))) (fp.gt c_~var_1_13~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_20~0 c_~var_1_15~0) (fp.sub c_currentRoundingMode c_~var_1_21~0 c_~var_1_16~0))) (= c_~var_1_10~0 c_~var_1_9~0) (bvsgt (bvadd .cse2 .cse3) .cse4) (= c_~var_1_11~0 (_ bv64 8)) (not (= ((_ zero_extend 24) c_~var_1_8~0) (_ bv0 32))) (= c_~var_1_17~0 ((_ extract 15 0) (bvadd .cse2 ((_ zero_extend 16) c_~var_1_18~0)))) (let ((.cse5 ((_ sign_extend 24) c_~var_1_12~0)) (.cse7 ((_ sign_extend 24) c_~var_1_22~0))) (let ((.cse6 (bvsgt .cse5 .cse7))) (or (and (= c_~var_1_19~0 ((_ extract 7 0) .cse5)) .cse6) (and (not .cse6) (= c_~var_1_19~0 ((_ extract 7 0) .cse7)))))) (let ((.cse9 (bvadd .cse10 ((_ sign_extend 24) (_ bv64 8))))) (let ((.cse8 (bvslt .cse9 .cse4))) (or (and (not .cse8) (= c_~var_1_1~0 .cse4)) (and (= c_~var_1_1~0 .cse9) .cse8)))) (bvsge .cse3 (_ bv32767 32)) (= (_ bv0 8) c_~var_1_14~0)))) is different from false [2023-12-23 08:39:19,095 WARN L293 SmtUtils]: Spent 33.82s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 08:39:30,593 WARN L293 SmtUtils]: Spent 6.10s 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) [2023-12-23 08:40:10,919 WARN L293 SmtUtils]: Spent 5.74s 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) Received shutdown request... [2023-12-23 08:41:12,249 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 08:41:12,252 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 08:41:13,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 08:41:13,460 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 08:41:13,492 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 08:41:13,493 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 08:41:13,494 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 223 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 08:41:13,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 08:41:13,500 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 08:41:13,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 08:41:13 BoogieIcfgContainer [2023-12-23 08:41:13,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 08:41:13,503 INFO L158 Benchmark]: Toolchain (without parser) took 878769.32ms. Allocated memory is still 259.0MB. Free memory was 202.1MB in the beginning and 165.6MB in the end (delta: 36.4MB). Peak memory consumption was 38.0MB. Max. memory is 8.0GB. [2023-12-23 08:41:13,503 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 203.4MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 08:41:13,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.16ms. Allocated memory is still 259.0MB. Free memory was 202.1MB in the beginning and 185.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 08:41:13,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.64ms. Allocated memory is still 259.0MB. Free memory was 185.3MB in the beginning and 182.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 08:41:13,505 INFO L158 Benchmark]: Boogie Preprocessor took 66.71ms. Allocated memory is still 259.0MB. Free memory was 182.7MB in the beginning and 178.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 08:41:13,505 INFO L158 Benchmark]: RCFGBuilder took 11770.46ms. Allocated memory is still 259.0MB. Free memory was 178.5MB in the beginning and 151.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-23 08:41:13,505 INFO L158 Benchmark]: TraceAbstraction took 866572.39ms. Allocated memory is still 259.0MB. Free memory was 150.2MB in the beginning and 165.6MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 08:41:13,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 203.4MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 301.16ms. Allocated memory is still 259.0MB. Free memory was 202.1MB in the beginning and 185.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.64ms. Allocated memory is still 259.0MB. Free memory was 185.3MB in the beginning and 182.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.71ms. Allocated memory is still 259.0MB. Free memory was 182.7MB in the beginning and 178.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 11770.46ms. Allocated memory is still 259.0MB. Free memory was 178.5MB in the beginning and 151.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 866572.39ms. Allocated memory is still 259.0MB. Free memory was 150.2MB in the beginning and 165.6MB in the end (delta: -15.5MB). There was no memory consumed. 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 223 with TraceHistMax 36,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.5s, OverallIterations: 4, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 52.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 517 SdHoareTripleChecker+Valid, 51.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 517 mSDsluCounter, 910 SdHoareTripleChecker+Invalid, 50.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 404 mSDsCounter, 186 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 324 IncrementalHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 186 mSolverCounterUnsat, 506 mSDtfsCounter, 324 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 890 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 5450 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1080 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 9100/10080 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