/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 14:10:29,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 14:10:29,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 14:10:29,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 14:10:29,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 14:10:29,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 14:10:29,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 14:10:29,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 14:10:29,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 14:10:29,766 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 14:10:29,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 14:10:29,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 14:10:29,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 14:10:29,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 14:10:29,768 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 14:10:29,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 14:10:29,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 14:10:29,769 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 14:10:29,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 14:10:29,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 14:10:29,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 14:10:29,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 14:10:29,771 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 14:10:29,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 14:10:29,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 14:10:29,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:10:29,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 14:10:29,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 14:10:29,773 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 14:10:29,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 14:10:29,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 14:10:29,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 14:10:29,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 14:10:29,774 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 14:10:29,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 14:10:29,774 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 14:10:29,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 14:10:29,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 14:10:29,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 14:10:29,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 14:10:29,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 14:10:29,977 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 14:10:29,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2023-12-16 14:10:30,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 14:10:31,039 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 14:10:31,039 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i [2023-12-16 14:10:31,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8721aadba/9cb34dd058b54268b317ff8df8e75756/FLAGc689a758d [2023-12-16 14:10:31,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8721aadba/9cb34dd058b54268b317ff8df8e75756 [2023-12-16 14:10:31,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 14:10:31,062 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 14:10:31,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 14:10:31,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 14:10:31,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 14:10:31,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251b4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31, skipping insertion in model container [2023-12-16 14:10:31,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 14:10:31,201 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2023-12-16 14:10:31,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:10:31,254 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 14:10:31,261 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-35.i[915,928] [2023-12-16 14:10:31,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:10:31,296 INFO L206 MainTranslator]: Completed translation [2023-12-16 14:10:31,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31 WrapperNode [2023-12-16 14:10:31,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 14:10:31,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 14:10:31,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 14:10:31,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 14:10:31,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,334 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-12-16 14:10:31,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 14:10:31,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 14:10:31,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 14:10:31,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 14:10:31,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,361 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]. [2023-12-16 14:10:31,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 14:10:31,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 14:10:31,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 14:10:31,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 14:10:31,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (1/1) ... [2023-12-16 14:10:31,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:10:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 14:10:31,397 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) [2023-12-16 14:10:31,403 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 [2023-12-16 14:10:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 14:10:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 14:10:31,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 14:10:31,418 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 14:10:31,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 14:10:31,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 14:10:31,503 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 14:10:31,506 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 14:10:33,091 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 14:10:33,121 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 14:10:33,122 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 14:10:33,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:10:33 BoogieIcfgContainer [2023-12-16 14:10:33,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 14:10:33,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 14:10:33,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 14:10:33,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 14:10:33,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:10:31" (1/3) ... [2023-12-16 14:10:33,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d6b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:10:33, skipping insertion in model container [2023-12-16 14:10:33,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:10:31" (2/3) ... [2023-12-16 14:10:33,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d6b086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:10:33, skipping insertion in model container [2023-12-16 14:10:33,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:10:33" (3/3) ... [2023-12-16 14:10:33,127 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-35.i [2023-12-16 14:10:33,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 14:10:33,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 14:10:33,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 14:10:33,171 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;@5af227c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 14:10:33,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 14:10:33,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-16 14:10:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 14:10:33,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:10:33,183 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:10:33,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:10:33,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:10:33,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2139986591, now seen corresponding path program 1 times [2023-12-16 14:10:33,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:10:33,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174118244] [2023-12-16 14:10:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:10:33,197 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 [2023-12-16 14:10:33,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:10:33,199 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) [2023-12-16 14:10:33,213 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 [2023-12-16 14:10:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:10:33,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 14:10:33,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:10:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-12-16 14:10:33,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:10:33,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:10:33,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174118244] [2023-12-16 14:10:33,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174118244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:10:33,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:10:33,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 14:10:33,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342531744] [2023-12-16 14:10:33,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:10:33,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 14:10:33,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:10:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 14:10:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:10:33,543 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 14:10:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:10:34,501 INFO L93 Difference]: Finished difference Result 117 states and 199 transitions. [2023-12-16 14:10:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 14:10:34,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2023-12-16 14:10:34,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:10:34,508 INFO L225 Difference]: With dead ends: 117 [2023-12-16 14:10:34,508 INFO L226 Difference]: Without dead ends: 57 [2023-12-16 14:10:34,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 14:10:34,512 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 14:10:34,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 14:10:34,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-12-16 14:10:34,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-12-16 14:10:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-16 14:10:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2023-12-16 14:10:34,539 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 129 [2023-12-16 14:10:34,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:10:34,540 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2023-12-16 14:10:34,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-16 14:10:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-12-16 14:10:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 14:10:34,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:10:34,542 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:10:34,550 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 [2023-12-16 14:10:34,750 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 [2023-12-16 14:10:34,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:10:34,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:10:34,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2124976807, now seen corresponding path program 1 times [2023-12-16 14:10:34,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:10:34,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433064244] [2023-12-16 14:10:34,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:10:34,752 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 [2023-12-16 14:10:34,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:10:34,753 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) [2023-12-16 14:10:34,754 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 [2023-12-16 14:10:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:10:34,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 14:10:35,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:10:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-16 14:10:35,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:10:35,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:10:35,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433064244] [2023-12-16 14:10:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433064244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:10:35,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:10:35,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 14:10:35,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984420652] [2023-12-16 14:10:35,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:10:35,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 14:10:35,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:10:35,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 14:10:35,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 14:10:35,313 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:37,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:10:37,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:10:37,391 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2023-12-16 14:10:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 14:10:37,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2023-12-16 14:10:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:10:37,393 INFO L225 Difference]: With dead ends: 187 [2023-12-16 14:10:37,394 INFO L226 Difference]: Without dead ends: 131 [2023-12-16 14:10:37,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 14:10:37,395 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 83 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 14:10:37,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 261 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 14:10:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-12-16 14:10:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2023-12-16 14:10:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-16 14:10:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 167 transitions. [2023-12-16 14:10:37,413 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 167 transitions. Word has length 129 [2023-12-16 14:10:37,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:10:37,414 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 167 transitions. [2023-12-16 14:10:37,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 167 transitions. [2023-12-16 14:10:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 14:10:37,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:10:37,415 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:10:37,426 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 (3)] Ended with exit code 0 [2023-12-16 14:10:37,623 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 [2023-12-16 14:10:37,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:10:37,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:10:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1113859557, now seen corresponding path program 1 times [2023-12-16 14:10:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:10:37,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283246873] [2023-12-16 14:10:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:10:37,627 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 [2023-12-16 14:10:37,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:10:37,628 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) [2023-12-16 14:10:37,649 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 [2023-12-16 14:10:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:10:37,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 14:10:37,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:10:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-16 14:10:38,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:10:38,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:10:38,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283246873] [2023-12-16 14:10:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283246873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:10:38,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:10:38,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 14:10:38,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168485905] [2023-12-16 14:10:38,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:10:38,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 14:10:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:10:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 14:10:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 14:10:38,167 INFO L87 Difference]: Start difference. First operand 111 states and 167 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:41,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:10:41,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:10:41,540 INFO L93 Difference]: Finished difference Result 353 states and 530 transitions. [2023-12-16 14:10:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 14:10:41,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2023-12-16 14:10:41,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:10:41,543 INFO L225 Difference]: With dead ends: 353 [2023-12-16 14:10:41,543 INFO L226 Difference]: Without dead ends: 243 [2023-12-16 14:10:41,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 14:10:41,544 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 81 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-12-16 14:10:41,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 268 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-12-16 14:10:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-12-16 14:10:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 219. [2023-12-16 14:10:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 134 states have (on average 1.2686567164179106) internal successors, (170), 134 states have internal predecessors, (170), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-16 14:10:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 330 transitions. [2023-12-16 14:10:41,572 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 330 transitions. Word has length 129 [2023-12-16 14:10:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:10:41,572 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 330 transitions. [2023-12-16 14:10:41,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:41,573 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2023-12-16 14:10:41,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 14:10:41,574 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:10:41,574 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:10:41,584 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 [2023-12-16 14:10:41,784 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 [2023-12-16 14:10:41,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:10:41,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:10:41,791 INFO L85 PathProgramCache]: Analyzing trace with hash 504587932, now seen corresponding path program 1 times [2023-12-16 14:10:41,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:10:41,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746020517] [2023-12-16 14:10:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:10:41,791 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 [2023-12-16 14:10:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:10:41,792 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) [2023-12-16 14:10:41,793 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 [2023-12-16 14:10:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:10:42,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 14:10:42,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:10:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-16 14:10:42,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:10:42,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:10:42,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746020517] [2023-12-16 14:10:42,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746020517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:10:42,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:10:42,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 14:10:42,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734428085] [2023-12-16 14:10:42,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:10:42,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 14:10:42,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:10:42,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 14:10:42,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 14:10:42,137 INFO L87 Difference]: Start difference. First operand 219 states and 330 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:45,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:10:46,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 14:10:47,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:10:47,375 INFO L93 Difference]: Finished difference Result 545 states and 816 transitions. [2023-12-16 14:10:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 14:10:47,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2023-12-16 14:10:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:10:47,403 INFO L225 Difference]: With dead ends: 545 [2023-12-16 14:10:47,403 INFO L226 Difference]: Without dead ends: 489 [2023-12-16 14:10:47,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-12-16 14:10:47,404 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 130 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-16 14:10:47,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 465 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-16 14:10:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-12-16 14:10:47,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 275. [2023-12-16 14:10:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 174 states have (on average 1.2758620689655173) internal successors, (222), 176 states have internal predecessors, (222), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2023-12-16 14:10:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 410 transitions. [2023-12-16 14:10:47,461 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 410 transitions. Word has length 130 [2023-12-16 14:10:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:10:47,461 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 410 transitions. [2023-12-16 14:10:47,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-16 14:10:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 410 transitions. [2023-12-16 14:10:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-16 14:10:47,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:10:47,468 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 14:10:47,478 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 [2023-12-16 14:10:47,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 14:10:47,676 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:10:47,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:10:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 561846234, now seen corresponding path program 1 times [2023-12-16 14:10:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:10:47,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227861843] [2023-12-16 14:10:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:10:47,677 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 [2023-12-16 14:10:47,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:10:47,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 14:10:47,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 14:10:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:10:47,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-16 14:10:47,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 14:11:48,143 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 [2023-12-16 14:11:48,144 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 14:11:48,250 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 14:11:48,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-16 14:11:48,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 14:11:48,451 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 131 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 27 known predicates. [2023-12-16 14:11:48,454 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 14:11:48,456 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 14:11:48,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:11:48 BoogieIcfgContainer [2023-12-16 14:11:48,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 14:11:48,458 INFO L158 Benchmark]: Toolchain (without parser) took 77395.36ms. Allocated memory was 206.6MB in the beginning and 259.0MB in the end (delta: 52.4MB). Free memory was 165.6MB in the beginning and 159.5MB in the end (delta: 6.1MB). Peak memory consumption was 59.4MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,458 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:11:48,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.86ms. Allocated memory is still 206.6MB. Free memory was 165.6MB in the beginning and 150.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 206.6MB. Free memory was 150.6MB in the beginning and 148.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,459 INFO L158 Benchmark]: Boogie Preprocessor took 39.61ms. Allocated memory is still 206.6MB. Free memory was 148.1MB in the beginning and 144.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,459 INFO L158 Benchmark]: RCFGBuilder took 1746.74ms. Allocated memory is still 206.6MB. Free memory was 144.6MB in the beginning and 122.3MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,459 INFO L158 Benchmark]: TraceAbstraction took 75333.95ms. Allocated memory was 206.6MB in the beginning and 259.0MB in the end (delta: 52.4MB). Free memory was 121.6MB in the beginning and 159.5MB in the end (delta: -37.9MB). Peak memory consumption was 15.4MB. Max. memory is 8.0GB. [2023-12-16 14:11:48,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.86ms. Allocated memory is still 206.6MB. Free memory was 165.6MB in the beginning and 150.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 206.6MB. Free memory was 150.6MB in the beginning and 148.1MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.61ms. Allocated memory is still 206.6MB. Free memory was 148.1MB in the beginning and 144.6MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1746.74ms. Allocated memory is still 206.6MB. Free memory was 144.6MB in the beginning and 122.3MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 75333.95ms. Allocated memory was 206.6MB in the beginning and 259.0MB in the end (delta: 52.4MB). Free memory was 121.6MB in the beginning and 159.5MB in the end (delta: -37.9MB). Peak memory consumption was 15.4MB. 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 131 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 27 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.3s, OverallIterations: 5, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 1076 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 683 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 393 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 518 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=275occurred in iteration=4, InterpolantAutomatonStates: 19, 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, 4 MinimizatonAttempts, 258 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 6 NumberOfNonLiveVariables, 889 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3040/3040 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