./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_fillercode_fillercodestructure_normal_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_fillercode_fillercodestructure_normal_file-15.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 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:11:59,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:11:59,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:11:59,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:11:59,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:11:59,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:11:59,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:11:59,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:11:59,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:11:59,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:11:59,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:11:59,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:11:59,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:11:59,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:11:59,748 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:11:59,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:11:59,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:11:59,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:11:59,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:11:59,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:11:59,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:11:59,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:11:59,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:11:59,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:11:59,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:11:59,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:11:59,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:11:59,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:11:59,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:11:59,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:11:59,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:11:59,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:11:59,758 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 [2024-10-13 03:11:59,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:12:00,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:12:00,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:12:00,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:12:00,009 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:12:00,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:01,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:12:01,396 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:12:01,398 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:01,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cbbe82d5/effc2ff30051413e9fe5355245167f81/FLAG78f92948c [2024-10-13 03:12:01,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cbbe82d5/effc2ff30051413e9fe5355245167f81 [2024-10-13 03:12:01,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:12:01,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:12:01,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:12:01,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:12:01,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:12:01,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afc0b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01, skipping insertion in model container [2024-10-13 03:12:01,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:12:01,570 WARN L248 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_fillercode_fillercodestructure_normal_file-15.i[913,926] [2024-10-13 03:12:01,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:12:01,617 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:12:01,626 WARN L248 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_fillercode_fillercodestructure_normal_file-15.i[913,926] [2024-10-13 03:12:01,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:12:01,656 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:12:01,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01 WrapperNode [2024-10-13 03:12:01,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:12:01,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:12:01,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:12:01,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:12:01,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,691 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2024-10-13 03:12:01,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:12:01,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:12:01,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:12:01,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:12:01,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,714 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]. [2024-10-13 03:12:01,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:12:01,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:12:01,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:12:01,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:12:01,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (1/1) ... [2024-10-13 03:12:01,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:12:01,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:12:01,760 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) [2024-10-13 03:12:01,763 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 [2024-10-13 03:12:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:12:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:12:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:12:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:12:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:12:01,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:12:01,924 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:12:01,926 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:12:02,159 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 03:12:02,160 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:12:02,205 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:12:02,205 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:12:02,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:12:02 BoogieIcfgContainer [2024-10-13 03:12:02,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:12:02,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:12:02,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:12:02,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:12:02,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:12:01" (1/3) ... [2024-10-13 03:12:02,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1886333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:12:02, skipping insertion in model container [2024-10-13 03:12:02,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:01" (2/3) ... [2024-10-13 03:12:02,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1886333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:12:02, skipping insertion in model container [2024-10-13 03:12:02,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:12:02" (3/3) ... [2024-10-13 03:12:02,215 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:02,229 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:12:02,229 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:12:02,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:12:02,298 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;@5af5c783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:12:02,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:12:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 03:12:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 03:12:02,312 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:02,313 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:02,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:02,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:02,319 INFO L85 PathProgramCache]: Analyzing trace with hash 396515768, now seen corresponding path program 1 times [2024-10-13 03:12:02,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:12:02,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504132896] [2024-10-13 03:12:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:12:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:12:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 03:12:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 03:12:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 03:12:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 03:12:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 03:12:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 03:12:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 03:12:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 03:12:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 03:12:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 03:12:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 03:12:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 03:12:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 03:12:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 03:12:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 03:12:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 03:12:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 03:12:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 03:12:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 03:12:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-13 03:12:02,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:12:02,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504132896] [2024-10-13 03:12:02,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504132896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:02,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:02,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:12:02,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356681330] [2024-10-13 03:12:02,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:02,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:12:02,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:12:02,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:12:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:12:02,673 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 03:12:02,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:02,715 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions. [2024-10-13 03:12:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:12:02,717 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-10-13 03:12:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:02,723 INFO L225 Difference]: With dead ends: 119 [2024-10-13 03:12:02,724 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 03:12:02,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:12:02,732 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:02,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:12:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 03:12:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-13 03:12:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 03:12:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2024-10-13 03:12:02,780 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 128 [2024-10-13 03:12:02,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:02,783 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2024-10-13 03:12:02,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 03:12:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-10-13 03:12:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 03:12:02,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:02,790 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:02,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:12:02,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:02,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:02,792 INFO L85 PathProgramCache]: Analyzing trace with hash -10624788, now seen corresponding path program 1 times [2024-10-13 03:12:02,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:12:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216872233] [2024-10-13 03:12:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:12:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:12:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 03:12:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 03:12:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 03:12:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 03:12:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 03:12:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 03:12:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 03:12:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 03:12:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 03:12:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 03:12:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 03:12:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 03:12:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 03:12:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 03:12:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 03:12:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 03:12:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 03:12:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 03:12:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 03:12:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-13 03:12:03,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:12:03,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216872233] [2024-10-13 03:12:03,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216872233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:03,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:03,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:12:03,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450865235] [2024-10-13 03:12:03,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:03,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:12:03,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:12:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:12:03,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:12:03,204 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:03,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:03,370 INFO L93 Difference]: Finished difference Result 177 states and 267 transitions. [2024-10-13 03:12:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:12:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2024-10-13 03:12:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:03,373 INFO L225 Difference]: With dead ends: 177 [2024-10-13 03:12:03,373 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 03:12:03,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:12:03,377 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 56 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:03,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 243 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:12:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 03:12:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2024-10-13 03:12:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 147 transitions. [2024-10-13 03:12:03,405 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 147 transitions. Word has length 128 [2024-10-13 03:12:03,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:03,406 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 147 transitions. [2024-10-13 03:12:03,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2024-10-13 03:12:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 03:12:03,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:03,409 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:03,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:12:03,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:03,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -695664293, now seen corresponding path program 1 times [2024-10-13 03:12:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:12:03,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798285057] [2024-10-13 03:12:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:12:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:12:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 03:12:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 03:12:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-13 03:12:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 03:12:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-13 03:12:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 03:12:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 03:12:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 03:12:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 03:12:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 03:12:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 03:12:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 03:12:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 03:12:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 03:12:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-13 03:12:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 03:12:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-13 03:12:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 03:12:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 03:12:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-13 03:12:03,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:12:03,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798285057] [2024-10-13 03:12:03,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798285057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:03,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:03,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:12:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624381509] [2024-10-13 03:12:03,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:03,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:12:03,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:12:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:12:03,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:12:03,737 INFO L87 Difference]: Start difference. First operand 98 states and 147 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:03,903 INFO L93 Difference]: Finished difference Result 247 states and 364 transitions. [2024-10-13 03:12:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:12:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-10-13 03:12:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:03,906 INFO L225 Difference]: With dead ends: 247 [2024-10-13 03:12:03,906 INFO L226 Difference]: Without dead ends: 189 [2024-10-13 03:12:03,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:12:03,910 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 119 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:03,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 217 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:12:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-13 03:12:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2024-10-13 03:12:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 94 states have internal predecessors, (116), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 03:12:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 224 transitions. [2024-10-13 03:12:03,942 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 224 transitions. Word has length 129 [2024-10-13 03:12:03,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:03,943 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 224 transitions. [2024-10-13 03:12:03,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 224 transitions. [2024-10-13 03:12:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 03:12:03,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:03,945 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:03,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:12:03,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:03,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:03,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1505010919, now seen corresponding path program 1 times [2024-10-13 03:12:03,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:12:03,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310364734] [2024-10-13 03:12:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:03,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:12:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 03:12:04,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 03:12:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 03:12:04,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 03:12:04,077 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 03:12:04,078 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 03:12:04,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:12:04,083 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-13 03:12:04,169 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 03:12:04,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 03:12:04 BoogieIcfgContainer [2024-10-13 03:12:04,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 03:12:04,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 03:12:04,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 03:12:04,173 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 03:12:04,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:12:02" (3/4) ... [2024-10-13 03:12:04,176 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 03:12:04,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 03:12:04,177 INFO L158 Benchmark]: Toolchain (without parser) took 2758.09ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 131.8MB in the beginning and 127.2MB in the end (delta: 4.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,178 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 03:12:04,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.55ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 116.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.25ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 114.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,181 INFO L158 Benchmark]: Boogie Preprocessor took 35.29ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 111.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,181 INFO L158 Benchmark]: RCFGBuilder took 477.04ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 127.9MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,181 INFO L158 Benchmark]: TraceAbstraction took 1966.23ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 127.0MB in the beginning and 128.2MB in the end (delta: -1.2MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2024-10-13 03:12:04,182 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 228.6MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 03:12:04,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.55ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 116.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.25ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 114.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.29ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 111.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 477.04ms. Allocated memory is still 176.2MB. Free memory was 111.2MB in the beginning and 127.9MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1966.23ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 127.0MB in the beginning and 128.2MB in the end (delta: -1.2MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 228.6MB. Free memory is still 127.2MB. 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 someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed char last_1_var_1_10 = -5; [L43] signed long int last_1_var_1_21 = 1; [L44] signed long int last_1_var_1_25 = -4; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L132] last_1_var_1_10 = var_1_10 [L133] last_1_var_1_21 = var_1_21 [L134] last_1_var_1_25 = var_1_25 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L98] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L101] var_1_7 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L104] var_1_8 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L105] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L106] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=256] [L107] var_1_9 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L109] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L109] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L110] var_1_11 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L112] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L112] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L113] var_1_13 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L114] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L118] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L119] var_1_16 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L120] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L123] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L123] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L125] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L127] var_1_23 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L129] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L129] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L145] RET updateVariables() [L146] CALL step() [L48] COND TRUE last_1_var_1_10 < last_1_var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L49] COND TRUE var_1_11 <= last_1_var_1_25 [L50] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L53] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L54] COND TRUE var_1_4 >= (var_1_3 * (var_1_13 + var_1_14)) [L55] var_1_12 = (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L59] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L60] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L67] COND FALSE !(\read(var_1_19)) [L70] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L72] unsigned char stepLocal_0 = var_1_12 > var_1_12; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L73] COND TRUE var_1_19 || stepLocal_0 [L74] var_1_1 = (var_1_17 + var_1_17) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L78] signed long int stepLocal_3 = var_1_22 + var_1_11; [L79] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16379, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L80] COND FALSE !(\read(var_1_20)) [L93] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16379, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=4, var_1_25=-4, var_1_7=16383, var_1_8=8383, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 546 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 257 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 289 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=3, InterpolantAutomatonStates: 10, 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, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 514 NumberOfCodeBlocks, 514 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 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 [2024-10-13 03:12:04,213 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_fillercode_fillercodestructure_normal_file-15.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 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:12:06,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:12:06,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-13 03:12:06,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:12:06,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:12:06,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:12:06,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:12:06,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:12:06,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:12:06,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:12:06,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:12:06,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:12:06,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:12:06,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:12:06,149 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:12:06,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:12:06,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:12:06,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:12:06,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:12:06,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:12:06,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:12:06,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:12:06,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:12:06,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 03:12:06,151 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 03:12:06,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:12:06,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 03:12:06,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:12:06,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:12:06,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:12:06,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:12:06,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:12:06,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:12:06,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:12:06,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:12:06,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:12:06,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:12:06,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:12:06,156 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 03:12:06,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 03:12:06,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:12:06,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:12:06,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:12:06,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:12:06,158 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 03:12:06,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea716fb2630a1d9252b5a1d3d2ae2b44ef6930d24c092b11ab3338ed01d5184 [2024-10-13 03:12:06,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:12:06,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:12:06,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:12:06,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:12:06,455 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:12:06,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:07,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:12:07,867 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:12:07,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:07,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de90847/68afa6981de7497b85db4e83f90a00e8/FLAG2d0e9c9f4 [2024-10-13 03:12:08,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4de90847/68afa6981de7497b85db4e83f90a00e8 [2024-10-13 03:12:08,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:12:08,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:12:08,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:12:08,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:12:08,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:12:08,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d25d9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08, skipping insertion in model container [2024-10-13 03:12:08,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:12:08,404 WARN L248 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_fillercode_fillercodestructure_normal_file-15.i[913,926] [2024-10-13 03:12:08,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:12:08,479 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:12:08,490 WARN L248 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_fillercode_fillercodestructure_normal_file-15.i[913,926] [2024-10-13 03:12:08,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:12:08,553 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:12:08,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08 WrapperNode [2024-10-13 03:12:08,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:12:08,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:12:08,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:12:08,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:12:08,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,604 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2024-10-13 03:12:08,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:12:08,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:12:08,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:12:08,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:12:08,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,639 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]. [2024-10-13 03:12:08,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:12:08,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:12:08,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:12:08,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:12:08,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (1/1) ... [2024-10-13 03:12:08,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:12:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:12:08,710 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) [2024-10-13 03:12:08,720 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 [2024-10-13 03:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 03:12:08,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:12:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:12:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:12:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:12:08,848 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:12:08,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:12:11,285 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 03:12:11,286 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:12:11,333 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:12:11,334 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:12:11,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:12:11 BoogieIcfgContainer [2024-10-13 03:12:11,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:12:11,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:12:11,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:12:11,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:12:11,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:12:08" (1/3) ... [2024-10-13 03:12:11,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a12c689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:12:11, skipping insertion in model container [2024-10-13 03:12:11,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:12:08" (2/3) ... [2024-10-13 03:12:11,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a12c689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:12:11, skipping insertion in model container [2024-10-13 03:12:11,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:12:11" (3/3) ... [2024-10-13 03:12:11,343 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-15.i [2024-10-13 03:12:11,355 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:12:11,355 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:12:11,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:12:11,410 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;@1890edbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:12:11,410 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:12:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 03:12:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 03:12:11,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:11,425 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:11,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:11,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash 396515768, now seen corresponding path program 1 times [2024-10-13 03:12:11,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:11,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278692324] [2024-10-13 03:12:11,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:11,446 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 [2024-10-13 03:12:11,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:11,449 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) [2024-10-13 03:12:11,450 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 [2024-10-13 03:12:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:11,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-13 03:12:11,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-10-13 03:12:11,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 03:12:11,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:11,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278692324] [2024-10-13 03:12:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278692324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:11,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:12:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454584046] [2024-10-13 03:12:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:11,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:12:11,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:11,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:12:11,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:12:11,873 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 39 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 03:12:13,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:13,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:13,147 INFO L93 Difference]: Finished difference Result 119 states and 206 transitions. [2024-10-13 03:12:13,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:12:13,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-10-13 03:12:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:13,177 INFO L225 Difference]: With dead ends: 119 [2024-10-13 03:12:13,178 INFO L226 Difference]: Without dead ends: 59 [2024-10-13 03:12:13,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:12:13,182 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:13,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 03:12:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-13 03:12:13,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-13 03:12:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 03:12:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 89 transitions. [2024-10-13 03:12:13,213 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 89 transitions. Word has length 128 [2024-10-13 03:12:13,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:13,213 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 89 transitions. [2024-10-13 03:12:13,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-13 03:12:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2024-10-13 03:12:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-13 03:12:13,217 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:13,217 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:13,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-13 03:12:13,421 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 [2024-10-13 03:12:13,422 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:13,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash -10624788, now seen corresponding path program 1 times [2024-10-13 03:12:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:13,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003421231] [2024-10-13 03:12:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:13,424 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 [2024-10-13 03:12:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:13,427 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) [2024-10-13 03:12:13,427 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 [2024-10-13 03:12:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:13,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 03:12:13,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-13 03:12:14,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 03:12:14,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:14,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003421231] [2024-10-13 03:12:14,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003421231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:14,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:12:14,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523134007] [2024-10-13 03:12:14,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:14,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:12:14,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:14,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:12:14,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:12:14,711 INFO L87 Difference]: Start difference. First operand 59 states and 89 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:16,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:18,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:18,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:18,271 INFO L93 Difference]: Finished difference Result 176 states and 266 transitions. [2024-10-13 03:12:18,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:12:18,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2024-10-13 03:12:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:18,290 INFO L225 Difference]: With dead ends: 176 [2024-10-13 03:12:18,290 INFO L226 Difference]: Without dead ends: 118 [2024-10-13 03:12:18,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:12:18,292 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 50 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:18,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 245 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-13 03:12:18,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-13 03:12:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 98. [2024-10-13 03:12:18,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 147 transitions. [2024-10-13 03:12:18,321 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 147 transitions. Word has length 128 [2024-10-13 03:12:18,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:18,321 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 147 transitions. [2024-10-13 03:12:18,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2024-10-13 03:12:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 03:12:18,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:18,324 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:18,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-13 03:12:18,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 03:12:18,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:18,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:18,529 INFO L85 PathProgramCache]: Analyzing trace with hash -695664293, now seen corresponding path program 1 times [2024-10-13 03:12:18,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:18,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854145027] [2024-10-13 03:12:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:18,530 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 [2024-10-13 03:12:18,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:18,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 03:12:18,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-13 03:12:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:18,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 03:12:18,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-13 03:12:20,173 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 03:12:20,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:20,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854145027] [2024-10-13 03:12:20,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854145027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:12:20,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:12:20,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:12:20,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131503159] [2024-10-13 03:12:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:12:20,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:12:20,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:20,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:12:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:12:20,176 INFO L87 Difference]: Start difference. First operand 98 states and 147 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:21,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:25,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 03:12:31,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 03:12:32,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-13 03:12:32,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:32,521 INFO L93 Difference]: Finished difference Result 214 states and 323 transitions. [2024-10-13 03:12:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:12:32,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-10-13 03:12:32,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:32,537 INFO L225 Difference]: With dead ends: 214 [2024-10-13 03:12:32,537 INFO L226 Difference]: Without dead ends: 156 [2024-10-13 03:12:32,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:12:32,539 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 76 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:32,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 218 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2024-10-13 03:12:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-13 03:12:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 100. [2024-10-13 03:12:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 57 states have internal predecessors, (69), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 149 transitions. [2024-10-13 03:12:32,566 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 149 transitions. Word has length 129 [2024-10-13 03:12:32,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:32,567 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 149 transitions. [2024-10-13 03:12:32,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-13 03:12:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2024-10-13 03:12:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 03:12:32,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:32,568 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:32,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-13 03:12:32,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 03:12:32,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:32,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash 5400285, now seen corresponding path program 1 times [2024-10-13 03:12:32,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:32,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187569143] [2024-10-13 03:12:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:32,771 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 [2024-10-13 03:12:32,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:32,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 03:12:32,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-13 03:12:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:33,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 03:12:33,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 336 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-10-13 03:12:33,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:12:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-10-13 03:12:34,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:34,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187569143] [2024-10-13 03:12:34,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187569143] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:12:34,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 03:12:34,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-13 03:12:34,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161147292] [2024-10-13 03:12:34,355 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 03:12:34,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 03:12:34,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:34,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 03:12:34,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:12:34,356 INFO L87 Difference]: Start difference. First operand 100 states and 149 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-10-13 03:12:36,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:39,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:40,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:40,006 INFO L93 Difference]: Finished difference Result 234 states and 339 transitions. [2024-10-13 03:12:40,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 03:12:40,018 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 129 [2024-10-13 03:12:40,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:40,020 INFO L225 Difference]: With dead ends: 234 [2024-10-13 03:12:40,020 INFO L226 Difference]: Without dead ends: 174 [2024-10-13 03:12:40,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-10-13 03:12:40,021 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 236 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:40,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 240 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-13 03:12:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-13 03:12:40,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 106. [2024-10-13 03:12:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 61 states have (on average 1.180327868852459) internal successors, (72), 61 states have internal predecessors, (72), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:40,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2024-10-13 03:12:40,044 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 129 [2024-10-13 03:12:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:40,045 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2024-10-13 03:12:40,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-10-13 03:12:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2024-10-13 03:12:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-13 03:12:40,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:40,047 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:40,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-13 03:12:40,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 03:12:40,248 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:40,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash -613200700, now seen corresponding path program 1 times [2024-10-13 03:12:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953400732] [2024-10-13 03:12:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:40,249 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 [2024-10-13 03:12:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:40,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 03:12:40,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-13 03:12:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:40,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 03:12:40,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-10-13 03:12:40,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:12:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-10-13 03:12:40,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:40,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953400732] [2024-10-13 03:12:40,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953400732] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:12:40,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 03:12:40,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-10-13 03:12:40,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748476244] [2024-10-13 03:12:40,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 03:12:40,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:12:40,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:12:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:12:40,803 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 03:12:42,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:42,489 INFO L93 Difference]: Finished difference Result 181 states and 250 transitions. [2024-10-13 03:12:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 03:12:42,507 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2024-10-13 03:12:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:42,509 INFO L225 Difference]: With dead ends: 181 [2024-10-13 03:12:42,509 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 03:12:42,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:12:42,513 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 102 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:42,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 126 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 03:12:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 03:12:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2024-10-13 03:12:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 1.078125) internal successors, (69), 64 states have internal predecessors, (69), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2024-10-13 03:12:42,532 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 130 [2024-10-13 03:12:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:42,532 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2024-10-13 03:12:42,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 03:12:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2024-10-13 03:12:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-13 03:12:42,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:42,534 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:42,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-13 03:12:42,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-13 03:12:42,735 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:42,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:42,735 INFO L85 PathProgramCache]: Analyzing trace with hash -742488956, now seen corresponding path program 1 times [2024-10-13 03:12:42,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:42,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224927705] [2024-10-13 03:12:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:42,736 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 [2024-10-13 03:12:42,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:42,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-13 03:12:42,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-13 03:12:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:42,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 03:12:42,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:12:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-10-13 03:12:43,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:12:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-10-13 03:12:43,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 03:12:43,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224927705] [2024-10-13 03:12:43,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224927705] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:12:43,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 03:12:43,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-10-13 03:12:43,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113912072] [2024-10-13 03:12:43,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 03:12:43,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:12:43,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 03:12:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:12:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:12:43,354 INFO L87 Difference]: Start difference. First operand 111 states and 149 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 03:12:45,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 03:12:45,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:12:45,093 INFO L93 Difference]: Finished difference Result 182 states and 241 transitions. [2024-10-13 03:12:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 03:12:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2024-10-13 03:12:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:12:45,112 INFO L225 Difference]: With dead ends: 182 [2024-10-13 03:12:45,113 INFO L226 Difference]: Without dead ends: 119 [2024-10-13 03:12:45,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:12:45,117 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:12:45,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 126 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 03:12:45,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-10-13 03:12:45,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2024-10-13 03:12:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 64 states have (on average 1.0625) internal successors, (68), 64 states have internal predecessors, (68), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 03:12:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 148 transitions. [2024-10-13 03:12:45,133 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 148 transitions. Word has length 130 [2024-10-13 03:12:45,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:12:45,133 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 148 transitions. [2024-10-13 03:12:45,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-13 03:12:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 148 transitions. [2024-10-13 03:12:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-13 03:12:45,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:12:45,134 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:12:45,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-10-13 03:12:45,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-10-13 03:12:45,335 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:12:45,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:12:45,336 INFO L85 PathProgramCache]: Analyzing trace with hash -685230654, now seen corresponding path program 1 times [2024-10-13 03:12:45,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 03:12:45,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956821663] [2024-10-13 03:12:45,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:12:45,336 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 [2024-10-13 03:12:45,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 03:12:45,338 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-10-13 03:12:45,339 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 (8)] Waiting until timeout for monitored process [2024-10-13 03:12:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:12:45,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 03:12:45,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:13:16,935 WARN L286 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)