./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:52:03,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:52:03,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:52:03,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:52:03,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:52:03,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:52:03,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:52:03,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:52:03,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:52:03,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:52:03,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:52:03,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:52:03,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:52:03,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:52:03,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:52:03,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:52:03,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:52:03,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:52:03,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:52:03,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:52:03,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:52:03,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:52:03,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:52:03,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:52:03,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:52:03,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:52:03,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:52:03,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:52:03,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:52:03,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:52:03,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:52:03,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:52:03,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:03,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:52:03,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:52:03,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:52:03,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:52:03,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:52:03,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:52:03,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:52:03,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:52:03,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:52:03,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c [2024-11-20 05:52:03,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:52:03,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:52:03,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:52:03,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:52:03,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:52:03,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:05,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:52:05,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:52:05,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:05,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e75d070/69f4f226222c4f5daa74be00274ad426/FLAG13ff91c17 [2024-11-20 05:52:05,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e75d070/69f4f226222c4f5daa74be00274ad426 [2024-11-20 05:52:05,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:52:05,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:52:05,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:05,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:52:05,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:52:05,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:05" (1/1) ... [2024-11-20 05:52:05,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155a93e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:05, skipping insertion in model container [2024-11-20 05:52:05,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:05" (1/1) ... [2024-11-20 05:52:05,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:52:06,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-20 05:52:06,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:06,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:52:06,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-20 05:52:06,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:06,108 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:52:06,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06 WrapperNode [2024-11-20 05:52:06,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:06,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:06,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:52:06,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:52:06,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,160 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-20 05:52:06,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:06,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:52:06,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:52:06,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:52:06,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,199 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]. [2024-11-20 05:52:06,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:52:06,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:52:06,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:52:06,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:52:06,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (1/1) ... [2024-11-20 05:52:06,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:06,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:06,271 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) [2024-11-20 05:52:06,276 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 [2024-11-20 05:52:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:52:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:52:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:52:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:52:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:52:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:52:06,409 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:52:06,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:52:06,765 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 05:52:06,765 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:52:06,782 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:52:06,783 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:52:06,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:06 BoogieIcfgContainer [2024-11-20 05:52:06,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:52:06,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:52:06,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:52:06,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:52:06,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:52:05" (1/3) ... [2024-11-20 05:52:06,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94f5c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:06, skipping insertion in model container [2024-11-20 05:52:06,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:06" (2/3) ... [2024-11-20 05:52:06,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94f5c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:06, skipping insertion in model container [2024-11-20 05:52:06,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:06" (3/3) ... [2024-11-20 05:52:06,793 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:06,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:52:06,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:52:06,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:52:06,879 INFO L333 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, 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;@1aaece6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:52:06,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:52:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 05:52:06,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 05:52:06,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:06,899 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:06,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:06,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:06,906 INFO L85 PathProgramCache]: Analyzing trace with hash -361794192, now seen corresponding path program 1 times [2024-11-20 05:52:06,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:06,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755819718] [2024-11-20 05:52:06,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:52:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:52:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:52:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:52:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:52:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:52:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 05:52:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:52:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 05:52:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 05:52:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 05:52:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 05:52:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:52:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 05:52:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:52:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:52:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:52:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:52:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:52:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 05:52:07,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:52:07,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755819718] [2024-11-20 05:52:07,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755819718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:07,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:07,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:52:07,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123659253] [2024-11-20 05:52:07,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:07,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:52:07,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:52:07,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:52:07,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:07,345 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 05:52:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:07,373 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-11-20 05:52:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:52:07,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-11-20 05:52:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:07,385 INFO L225 Difference]: With dead ends: 121 [2024-11-20 05:52:07,386 INFO L226 Difference]: Without dead ends: 60 [2024-11-20 05:52:07,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:07,395 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:07,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:52:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-20 05:52:07,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-20 05:52:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 05:52:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-11-20 05:52:07,498 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 121 [2024-11-20 05:52:07,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:07,499 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-11-20 05:52:07,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 05:52:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-11-20 05:52:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 05:52:07,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:07,507 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:07,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:52:07,508 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:07,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:07,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1774031446, now seen corresponding path program 1 times [2024-11-20 05:52:07,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:07,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535958509] [2024-11-20 05:52:07,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:07,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:52:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:52:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:52:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:52:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:52:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:52:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 05:52:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:52:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 05:52:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 05:52:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 05:52:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 05:52:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:52:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 05:52:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:52:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:52:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:52:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:52:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:52:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 05:52:07,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:52:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535958509] [2024-11-20 05:52:07,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535958509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:07,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:07,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:52:07,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544272546] [2024-11-20 05:52:07,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:07,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:52:07,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:52:07,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:52:07,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:52:07,933 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 05:52:08,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:08,009 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2024-11-20 05:52:08,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:52:08,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-11-20 05:52:08,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:08,011 INFO L225 Difference]: With dead ends: 136 [2024-11-20 05:52:08,012 INFO L226 Difference]: Without dead ends: 79 [2024-11-20 05:52:08,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:52:08,013 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 23 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:08,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 264 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:52:08,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-20 05:52:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-11-20 05:52:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 05:52:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-20 05:52:08,027 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 121 [2024-11-20 05:52:08,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:08,028 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-20 05:52:08,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 05:52:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-20 05:52:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 05:52:08,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:08,030 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:08,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:52:08,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:08,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1925075857, now seen corresponding path program 1 times [2024-11-20 05:52:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:08,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651801586] [2024-11-20 05:52:08,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:52:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:52:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:52:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:52:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:52:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:52:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 05:52:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:52:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 05:52:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 05:52:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 05:52:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 05:52:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:52:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 05:52:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:52:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:52:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:52:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:52:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:52:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 05:52:08,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:52:08,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651801586] [2024-11-20 05:52:08,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651801586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:08,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:08,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 05:52:08,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165959680] [2024-11-20 05:52:08,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:08,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 05:52:08,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:52:08,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 05:52:08,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:52:08,318 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 05:52:08,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:08,430 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2024-11-20 05:52:08,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 05:52:08,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-20 05:52:08,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:08,432 INFO L225 Difference]: With dead ends: 186 [2024-11-20 05:52:08,432 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 05:52:08,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:52:08,437 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:08,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 325 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:52:08,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 05:52:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2024-11-20 05:52:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 05:52:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2024-11-20 05:52:08,462 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 122 [2024-11-20 05:52:08,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:08,464 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2024-11-20 05:52:08,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 05:52:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-11-20 05:52:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-20 05:52:08,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:08,469 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:08,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:52:08,469 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:08,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:08,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1338269843, now seen corresponding path program 1 times [2024-11-20 05:52:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:52:08,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244821068] [2024-11-20 05:52:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:52:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 05:52:08,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051199108] [2024-11-20 05:52:08,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:08,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:52:08,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:08,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 05:52:08,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 05:52:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:52:08,674 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 05:52:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 05:52:08,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 05:52:08,806 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 05:52:08,807 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 05:52:08,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 05:52:09,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 05:52:09,014 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 05:52:09,089 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 05:52:09,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:52:09 BoogieIcfgContainer [2024-11-20 05:52:09,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 05:52:09,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 05:52:09,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 05:52:09,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 05:52:09,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:06" (3/4) ... [2024-11-20 05:52:09,099 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 05:52:09,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 05:52:09,102 INFO L158 Benchmark]: Toolchain (without parser) took 3331.31ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 67.4MB in the beginning and 83.4MB in the end (delta: -15.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,102 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:52:09,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.64ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 67.2MB in the beginning and 147.9MB in the end (delta: -80.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,106 INFO L158 Benchmark]: Boogie Preprocessor took 62.29ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,106 INFO L158 Benchmark]: RCFGBuilder took 558.88ms. Allocated memory is still 180.4MB. Free memory was 142.7MB in the beginning and 121.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,107 INFO L158 Benchmark]: TraceAbstraction took 2305.49ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 84.4MB in the end (delta: 37.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-20 05:52:09,107 INFO L158 Benchmark]: Witness Printer took 8.40ms. Allocated memory is still 180.4MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 05:52:09,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.64ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 67.2MB in the beginning and 147.9MB in the end (delta: -80.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.29ms. Allocated memory is still 180.4MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.88ms. Allocated memory is still 180.4MB. Free memory was 142.7MB in the beginning and 121.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2305.49ms. Allocated memory is still 180.4MB. Free memory was 121.7MB in the beginning and 84.4MB in the end (delta: 37.3MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 8.40ms. Allocated memory is still 180.4MB. Free memory was 84.4MB in the beginning and 83.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] double var_1_13 = 8.4; [L31] double var_1_15 = 49.75; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] float var_1_19 = 7.5; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] double last_1_var_1_13 = 8.4; VAL [isInitial=0, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L88] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L89] var_1_17 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L90] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L92] var_1_18 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L93] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L108] RET updateVariables() [L109] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L48] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] EXPR var_1_21 | var_1_16 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L100-L101] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((double) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((float) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 298 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2052/2052 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: unable to determine feasibility of some traces [2024-11-20 05:52:09,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:52:11,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:52:11,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 05:52:11,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:52:11,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:52:11,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:52:11,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:52:11,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:52:11,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:52:11,394 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:52:11,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:52:11,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:52:11,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:52:11,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:52:11,396 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:52:11,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:52:11,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:52:11,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:52:11,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:52:11,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:52:11,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:52:11,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:52:11,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:52:11,403 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 05:52:11,403 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 05:52:11,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:52:11,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 05:52:11,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:52:11,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:52:11,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:52:11,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:52:11,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:52:11,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:52:11,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:52:11,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:11,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:52:11,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:52:11,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:52:11,420 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 05:52:11,420 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 05:52:11,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:52:11,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:52:11,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:52:11,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:52:11,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64021861896ff3019361ecdf462e47b42c45b078cbed39f833fefb859a5a834c [2024-11-20 05:52:11,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:52:11,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:52:11,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:52:11,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:52:11,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:52:11,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:13,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:52:13,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:52:13,401 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:13,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92ada6ac/3ff38ace9ae04dbba0f57f1268f017f4/FLAGf4eb615b8 [2024-11-20 05:52:13,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92ada6ac/3ff38ace9ae04dbba0f57f1268f017f4 [2024-11-20 05:52:13,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:52:13,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:52:13,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:13,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:52:13,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:52:13,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:13" (1/1) ... [2024-11-20 05:52:13,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8b7b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:13, skipping insertion in model container [2024-11-20 05:52:13,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:13" (1/1) ... [2024-11-20 05:52:13,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:52:14,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-20 05:52:14,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:14,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:52:14,102 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-40.i[917,930] [2024-11-20 05:52:14,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:52:14,163 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:52:14,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14 WrapperNode [2024-11-20 05:52:14,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:52:14,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:14,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:52:14,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:52:14,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,232 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-20 05:52:14,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:52:14,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:52:14,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:52:14,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:52:14,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,268 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]. [2024-11-20 05:52:14,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:52:14,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:52:14,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:52:14,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:52:14,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (1/1) ... [2024-11-20 05:52:14,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:52:14,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:52:14,343 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) [2024-11-20 05:52:14,350 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 [2024-11-20 05:52:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:52:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 05:52:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:52:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:52:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:52:14,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:52:14,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:52:14,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:52:16,902 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-20 05:52:16,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:52:16,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:52:16,920 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:52:16,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:16 BoogieIcfgContainer [2024-11-20 05:52:16,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:52:16,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:52:16,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:52:16,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:52:16,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:52:13" (1/3) ... [2024-11-20 05:52:16,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f965dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:16, skipping insertion in model container [2024-11-20 05:52:16,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:14" (2/3) ... [2024-11-20 05:52:16,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f965dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:52:16, skipping insertion in model container [2024-11-20 05:52:16,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:52:16" (3/3) ... [2024-11-20 05:52:16,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-40.i [2024-11-20 05:52:16,943 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:52:16,943 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:52:17,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:52:17,005 INFO L333 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, 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;@41b3583b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:52:17,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:52:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 05:52:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-20 05:52:17,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:17,021 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:17,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:17,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash -261305118, now seen corresponding path program 1 times [2024-11-20 05:52:17,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:52:17,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933492692] [2024-11-20 05:52:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:17,044 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 [2024-11-20 05:52:17,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:52:17,047 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) [2024-11-20 05:52:17,048 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 [2024-11-20 05:52:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:17,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 05:52:17,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:52:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-20 05:52:17,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 05:52:17,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 05:52:17,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933492692] [2024-11-20 05:52:17,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933492692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:52:17,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:52:17,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:52:17,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683985111] [2024-11-20 05:52:17,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:52:17,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:52:17,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 05:52:17,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:52:17,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:17,509 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 05:52:17,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:52:17,541 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-20 05:52:17,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:52:17,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-11-20 05:52:17,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:52:17,552 INFO L225 Difference]: With dead ends: 103 [2024-11-20 05:52:17,552 INFO L226 Difference]: Without dead ends: 51 [2024-11-20 05:52:17,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:52:17,558 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:52:17,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:52:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-20 05:52:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-20 05:52:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 05:52:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 76 transitions. [2024-11-20 05:52:17,603 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 76 transitions. Word has length 118 [2024-11-20 05:52:17,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:52:17,603 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 76 transitions. [2024-11-20 05:52:17,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 05:52:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-11-20 05:52:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-20 05:52:17,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:52:17,609 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:52:17,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 05:52:17,810 WARN L453 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 [2024-11-20 05:52:17,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:52:17,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:52:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash -88781080, now seen corresponding path program 1 times [2024-11-20 05:52:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 05:52:17,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372429489] [2024-11-20 05:52:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:52:17,812 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 [2024-11-20 05:52:17,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 05:52:17,816 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) [2024-11-20 05:52:17,817 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 [2024-11-20 05:52:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:52:18,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 05:52:18,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 05:53:15,715 WARN L286 SmtUtils]: Spent 15.51s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)