./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.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 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:28:58,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:28:58,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:28:58,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:28:58,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:28:58,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:28:58,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:28:58,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:28:58,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:28:58,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:28:58,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:28:58,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:28:58,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:28:58,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:28:58,715 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:28:58,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:28:58,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:28:58,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:28:58,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:28:58,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:28:58,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:28:58,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:28:58,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:28:58,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:28:58,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:28:58,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:28:58,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:28:58,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:28:58,722 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:28:58,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:28:58,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:28:58,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:28:58,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:28:58,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:28:58,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:28:58,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:28:58,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:28:58,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:28:58,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:28:58,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:28:58,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:28:58,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:28:58,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 [2024-11-16 15:28:59,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:28:59,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:28:59,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:28:59,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:28:59,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:28:59,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:00,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:29:00,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:29:00,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:00,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d54f1ad0/2a8282d9641c4e08876ee03b91982a5d/FLAG39b7200fc [2024-11-16 15:29:00,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d54f1ad0/2a8282d9641c4e08876ee03b91982a5d [2024-11-16 15:29:00,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:29:00,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:29:00,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:29:00,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:29:00,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:29:00,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:29:00" (1/1) ... [2024-11-16 15:29:00,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ef4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:00, skipping insertion in model container [2024-11-16 15:29:00,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:29:00" (1/1) ... [2024-11-16 15:29:00,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:29:00,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-11-16 15:29:01,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:29:01,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:29:01,057 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-11-16 15:29:01,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:29:01,107 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:29:01,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01 WrapperNode [2024-11-16 15:29:01,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:29:01,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:29:01,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:29:01,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:29:01,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,168 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-11-16 15:29:01,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:29:01,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:29:01,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:29:01,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:29:01,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,210 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:29:01,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:29:01,232 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:29:01,232 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:29:01,232 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:29:01,233 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (1/1) ... [2024-11-16 15:29:01,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:29:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:29:01,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:29:01,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:29:01,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:29:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:29:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:29:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:29:01,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:29:01,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:29:01,446 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:29:01,448 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:29:01,822 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: havoc property_#t~ite16#1;havoc property_#t~bitwise15#1;havoc property_#t~short17#1;havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2024-11-16 15:29:01,874 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-16 15:29:01,874 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:29:01,905 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:29:01,906 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 15:29:01,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:29:01 BoogieIcfgContainer [2024-11-16 15:29:01,906 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:29:01,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:29:01,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:29:01,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:29:01,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:29:00" (1/3) ... [2024-11-16 15:29:01,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73776a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:29:01, skipping insertion in model container [2024-11-16 15:29:01,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:01" (2/3) ... [2024-11-16 15:29:01,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73776a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:29:01, skipping insertion in model container [2024-11-16 15:29:01,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:29:01" (3/3) ... [2024-11-16 15:29:01,919 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:01,940 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:29:01,941 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:29:02,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:29:02,090 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;@564d80a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:29:02,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:29:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 60 states have internal predecessors, (82), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 15:29:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-16 15:29:02,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:02,117 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:02,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:02,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2071131742, now seen corresponding path program 1 times [2024-11-16 15:29:02,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:02,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454400985] [2024-11-16 15:29:02,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:02,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:02,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:02,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454400985] [2024-11-16 15:29:02,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454400985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:02,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:02,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:29:02,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048927750] [2024-11-16 15:29:02,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:02,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:29:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:02,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:29:02,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:29:02,569 INFO L87 Difference]: Start difference. First operand has 79 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 60 states have internal predecessors, (82), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 15:29:02,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:02,610 INFO L93 Difference]: Finished difference Result 150 states and 242 transitions. [2024-11-16 15:29:02,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:29:02,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2024-11-16 15:29:02,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:02,622 INFO L225 Difference]: With dead ends: 150 [2024-11-16 15:29:02,622 INFO L226 Difference]: Without dead ends: 74 [2024-11-16 15:29:02,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:29:02,628 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:02,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:29:02,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-16 15:29:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-16 15:29:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 15:29:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2024-11-16 15:29:02,681 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 119 [2024-11-16 15:29:02,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:02,683 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2024-11-16 15:29:02,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 15:29:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2024-11-16 15:29:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-16 15:29:02,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:02,689 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:02,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:29:02,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:02,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1199782457, now seen corresponding path program 1 times [2024-11-16 15:29:02,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:02,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709044513] [2024-11-16 15:29:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:02,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:03,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709044513] [2024-11-16 15:29:03,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709044513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:03,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:03,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:29:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585364963] [2024-11-16 15:29:03,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:03,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:03,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:03,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:03,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:03,007 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:03,101 INFO L93 Difference]: Finished difference Result 207 states and 303 transitions. [2024-11-16 15:29:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:03,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 119 [2024-11-16 15:29:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:03,108 INFO L225 Difference]: With dead ends: 207 [2024-11-16 15:29:03,108 INFO L226 Difference]: Without dead ends: 136 [2024-11-16 15:29:03,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:03,112 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 85 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:03,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 250 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:29:03,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-16 15:29:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2024-11-16 15:29:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 96 states have (on average 1.3020833333333333) internal successors, (125), 96 states have internal predecessors, (125), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 193 transitions. [2024-11-16 15:29:03,143 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 193 transitions. Word has length 119 [2024-11-16 15:29:03,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:03,144 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 193 transitions. [2024-11-16 15:29:03,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2024-11-16 15:29:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-16 15:29:03,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:03,147 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:03,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:29:03,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:03,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:03,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1138839684, now seen corresponding path program 1 times [2024-11-16 15:29:03,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:03,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955810527] [2024-11-16 15:29:03,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:03,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:03,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:03,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955810527] [2024-11-16 15:29:03,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955810527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:03,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:03,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:29:03,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21504689] [2024-11-16 15:29:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:03,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:29:03,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:03,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:29:03,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:29:03,616 INFO L87 Difference]: Start difference. First operand 133 states and 193 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:03,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:03,874 INFO L93 Difference]: Finished difference Result 449 states and 649 transitions. [2024-11-16 15:29:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:29:03,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 120 [2024-11-16 15:29:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:03,879 INFO L225 Difference]: With dead ends: 449 [2024-11-16 15:29:03,880 INFO L226 Difference]: Without dead ends: 319 [2024-11-16 15:29:03,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:29:03,882 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 126 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:03,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 300 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:29:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-16 15:29:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 297. [2024-11-16 15:29:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 224 states have (on average 1.3169642857142858) internal successors, (295), 224 states have internal predecessors, (295), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-16 15:29:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 431 transitions. [2024-11-16 15:29:03,944 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 431 transitions. Word has length 120 [2024-11-16 15:29:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:03,945 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 431 transitions. [2024-11-16 15:29:03,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 431 transitions. [2024-11-16 15:29:03,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-16 15:29:03,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:03,950 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:03,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:29:03,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:03,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:03,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1776169990, now seen corresponding path program 1 times [2024-11-16 15:29:03,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:03,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730108114] [2024-11-16 15:29:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:03,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:04,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:04,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730108114] [2024-11-16 15:29:04,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730108114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:04,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:04,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:29:04,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495860662] [2024-11-16 15:29:04,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:04,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:04,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:04,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:04,235 INFO L87 Difference]: Start difference. First operand 297 states and 431 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:04,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:04,308 INFO L93 Difference]: Finished difference Result 750 states and 1095 transitions. [2024-11-16 15:29:04,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:04,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 121 [2024-11-16 15:29:04,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:04,312 INFO L225 Difference]: With dead ends: 750 [2024-11-16 15:29:04,313 INFO L226 Difference]: Without dead ends: 456 [2024-11-16 15:29:04,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:04,317 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 62 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:04,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 209 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:29:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-16 15:29:04,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 453. [2024-11-16 15:29:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 344 states have (on average 1.313953488372093) internal successors, (452), 344 states have internal predecessors, (452), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-16 15:29:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 656 transitions. [2024-11-16 15:29:04,374 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 656 transitions. Word has length 121 [2024-11-16 15:29:04,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:04,374 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 656 transitions. [2024-11-16 15:29:04,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 656 transitions. [2024-11-16 15:29:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-16 15:29:04,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:04,377 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:04,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:29:04,377 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:04,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:04,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1392146855, now seen corresponding path program 1 times [2024-11-16 15:29:04,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:04,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182763758] [2024-11-16 15:29:04,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:04,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:04,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:04,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182763758] [2024-11-16 15:29:04,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182763758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:04,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:04,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:29:04,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542019397] [2024-11-16 15:29:04,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:04,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:29:04,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:04,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:29:04,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:29:04,659 INFO L87 Difference]: Start difference. First operand 453 states and 656 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:04,765 INFO L93 Difference]: Finished difference Result 456 states and 658 transitions. [2024-11-16 15:29:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:04,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 122 [2024-11-16 15:29:04,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:04,767 INFO L225 Difference]: With dead ends: 456 [2024-11-16 15:29:04,768 INFO L226 Difference]: Without dead ends: 162 [2024-11-16 15:29:04,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:29:04,772 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 119 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:04,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 90 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:29:04,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-16 15:29:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-16 15:29:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 125 states have (on average 1.28) internal successors, (160), 125 states have internal predecessors, (160), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 228 transitions. [2024-11-16 15:29:04,792 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 228 transitions. Word has length 122 [2024-11-16 15:29:04,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:04,793 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 228 transitions. [2024-11-16 15:29:04,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 228 transitions. [2024-11-16 15:29:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-16 15:29:04,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:04,796 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:04,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:29:04,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:04,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:04,798 INFO L85 PathProgramCache]: Analyzing trace with hash -800789228, now seen corresponding path program 1 times [2024-11-16 15:29:04,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:04,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072338493] [2024-11-16 15:29:04,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:04,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:04,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:04,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072338493] [2024-11-16 15:29:04,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072338493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:04,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:04,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:29:04,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666743960] [2024-11-16 15:29:04,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:04,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:04,919 INFO L87 Difference]: Start difference. First operand 162 states and 228 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:05,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:05,024 INFO L93 Difference]: Finished difference Result 472 states and 667 transitions. [2024-11-16 15:29:05,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:05,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 122 [2024-11-16 15:29:05,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:05,027 INFO L225 Difference]: With dead ends: 472 [2024-11-16 15:29:05,028 INFO L226 Difference]: Without dead ends: 313 [2024-11-16 15:29:05,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:05,030 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 94 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:05,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 248 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:29:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-16 15:29:05,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 168. [2024-11-16 15:29:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 131 states have (on average 1.2671755725190839) internal successors, (166), 131 states have internal predecessors, (166), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2024-11-16 15:29:05,060 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 122 [2024-11-16 15:29:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:05,060 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2024-11-16 15:29:05,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2024-11-16 15:29:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-16 15:29:05,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:05,062 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:05,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:29:05,062 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:05,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:05,063 INFO L85 PathProgramCache]: Analyzing trace with hash -671706509, now seen corresponding path program 1 times [2024-11-16 15:29:05,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:05,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215997133] [2024-11-16 15:29:05,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:05,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:29:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:29:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:29:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 15:29:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-16 15:29:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-16 15:29:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 15:29:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 15:29:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 15:29:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 15:29:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:29:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 15:29:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:29:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 15:29:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:29:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 15:29:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:29:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 15:29:05,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:29:05,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215997133] [2024-11-16 15:29:05,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215997133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 15:29:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673162389] [2024-11-16 15:29:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:05,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:29:05,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:29:05,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 15:29:05,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 15:29:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:05,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 15:29:05,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-16 15:29:05,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 15:29:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 15:29:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673162389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 15:29:06,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 15:29:06,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 9] total 21 [2024-11-16 15:29:06,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864613470] [2024-11-16 15:29:06,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 15:29:06,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-16 15:29:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:29:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-16 15:29:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2024-11-16 15:29:06,294 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand has 21 states, 21 states have (on average 4.095238095238095) internal successors, (86), 21 states have internal predecessors, (86), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-16 15:29:08,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:08,231 INFO L93 Difference]: Finished difference Result 589 states and 795 transitions. [2024-11-16 15:29:08,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-16 15:29:08,231 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.095238095238095) internal successors, (86), 21 states have internal predecessors, (86), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 122 [2024-11-16 15:29:08,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:08,234 INFO L225 Difference]: With dead ends: 589 [2024-11-16 15:29:08,234 INFO L226 Difference]: Without dead ends: 424 [2024-11-16 15:29:08,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 268 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=741, Invalid=2681, Unknown=0, NotChecked=0, Total=3422 [2024-11-16 15:29:08,237 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 529 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:08,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 1416 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:29:08,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-16 15:29:08,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 170. [2024-11-16 15:29:08,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 131 states have (on average 1.2442748091603053) internal successors, (163), 131 states have internal predecessors, (163), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 231 transitions. [2024-11-16 15:29:08,261 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 231 transitions. Word has length 122 [2024-11-16 15:29:08,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:08,261 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 231 transitions. [2024-11-16 15:29:08,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.095238095238095) internal successors, (86), 21 states have internal predecessors, (86), 5 states have call successors, (35), 3 states have call predecessors, (35), 6 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2024-11-16 15:29:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2024-11-16 15:29:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-16 15:29:08,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:08,263 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:08,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 15:29:08,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:29:08,468 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:08,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:08,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1267947521, now seen corresponding path program 1 times [2024-11-16 15:29:08,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:29:08,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318363792] [2024-11-16 15:29:08,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:08,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:29:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 15:29:08,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54689055] [2024-11-16 15:29:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:08,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 15:29:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:29:08,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 15:29:08,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 15:29:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:29:09,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 15:29:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 15:29:09,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 15:29:09,204 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 15:29:09,205 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 15:29:09,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 15:29:09,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-16 15:29:09,410 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:09,518 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 15:29:09,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:29:09 BoogieIcfgContainer [2024-11-16 15:29:09,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 15:29:09,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 15:29:09,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 15:29:09,521 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 15:29:09,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:29:01" (3/4) ... [2024-11-16 15:29:09,526 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 15:29:09,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 15:29:09,528 INFO L158 Benchmark]: Toolchain (without parser) took 8787.27ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 138.4MB in the beginning and 96.5MB in the end (delta: 42.0MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,528 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:29:09,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.20ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 122.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.00ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 118.7MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,529 INFO L158 Benchmark]: Boogie Preprocessor took 59.90ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,529 INFO L158 Benchmark]: IcfgBuilder took 674.79ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 90.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,529 INFO L158 Benchmark]: TraceAbstraction took 7610.17ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 89.3MB in the beginning and 96.5MB in the end (delta: -7.1MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-16 15:29:09,530 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 249.6MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 15:29:09,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.20ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 122.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.00ms. Allocated memory is still 172.0MB. Free memory was 122.9MB in the beginning and 118.7MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.90ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 115.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 674.79ms. Allocated memory is still 172.0MB. Free memory was 115.5MB in the beginning and 90.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7610.17ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 89.3MB in the beginning and 96.5MB in the end (delta: -7.1MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 249.6MB. Free memory is still 96.5MB. 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 125, overapproximation of shiftLeft at line 55, overapproximation of someBinaryArithmeticFLOAToperation at line 61, overapproximation of someUnaryFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] unsigned char last_1_var_1_1 = 0; [L40] unsigned long int last_1_var_1_9 = 10; [L41] signed short int last_1_var_1_14 = 32; [L42] unsigned char last_1_var_1_16 = 1; [L43] signed char last_1_var_1_20 = 1; VAL [isInitial=0, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L118] last_1_var_1_1 = var_1_1 [L119] last_1_var_1_9 = var_1_9 [L120] last_1_var_1_14 = var_1_14 [L121] last_1_var_1_16 = var_1_16 [L122] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=0, var_1_9=10] [L132] RET updateLastVariables() [L133] CALL updateVariables() [L90] var_1_8 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L91] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L92] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L93] var_1_11 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L94] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L96] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L99] var_1_15 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L100] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L101] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L102] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L103] var_1_17 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L104] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L105] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L106] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L107] var_1_18 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L108] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L109] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L110] var_1_19 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L111] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L112] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L113] var_1_21 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L114] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L115] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L133] RET updateVariables() [L134] CALL step() [L47] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L48] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_0=1, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L49] COND FALSE !(stepLocal_0 == last_1_var_1_14) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L54] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=0, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] EXPR 256u << last_1_var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_6=0, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=1, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L55] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L56] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L58] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L59] unsigned char stepLocal_4 = var_1_8; VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_4=1, stepLocal_5=0, var_1_10=199/2, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L60] COND TRUE (! var_1_1) || stepLocal_4 [L61] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_13=0, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=1, var_1_21=0, var_1_22=1/2, var_1_23=100, var_1_8=1, var_1_9=10] [L69] var_1_20 = var_1_21 [L70] var_1_22 = var_1_12 [L71] var_1_23 = var_1_21 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L72] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] EXPR (var_1_16 / var_1_15) & var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=32, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L75] COND TRUE ((var_1_16 / var_1_15) & var_1_16) >= var_1_20 [L76] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L81] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L82] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_3=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L83] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_2=0, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=10] [L84] COND TRUE stepLocal_2 <= (-5 + var_1_16) [L85] var_1_9 = var_1_16 VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, stepLocal_1=1, stepLocal_5=0, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=5] [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=5] [L125] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=5] [L125-L126] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=5] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=2, var_1_12=3, var_1_13=0, var_1_14=5, var_1_15=4294967303, var_1_16=5, var_1_17=-499, var_1_18=0, var_1_19=-251, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=3, var_1_23=0, var_1_8=1, var_1_9=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 8, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1032 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1015 mSDsluCounter, 2617 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1639 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1595 IncrementalHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 978 mSDtfsCounter, 1595 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 504 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=453occurred in iteration=4, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 427 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1213 NumberOfCodeBlocks, 1213 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1080 ConstructedInterpolants, 0 QuantifiedInterpolants, 2042 SizeOfPredicates, 5 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 4887/4896 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 15:29:09,577 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/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.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 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:29:11,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:29:11,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 15:29:11,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:29:11,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:29:11,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:29:11,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:29:11,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:29:11,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:29:11,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:29:11,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:29:11,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:29:11,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:29:11,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:29:11,949 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:29:11,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:29:11,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:29:11,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:29:11,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:29:11,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:29:11,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:29:11,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:29:11,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:29:11,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 15:29:11,954 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 15:29:11,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:29:11,954 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 15:29:11,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:29:11,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:29:11,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:29:11,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:29:11,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:29:11,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:29:11,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:29:11,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:29:11,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:29:11,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:29:11,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:29:11,959 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 15:29:11,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 15:29:11,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:29:11,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:29:11,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:29:11,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:29:11,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b717de627fe53ec561b9cf49e12e6cc849db2f0deb4cd9fc2a633f7b01ca897 [2024-11-16 15:29:12,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:29:12,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:29:12,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:29:12,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:29:12,337 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:29:12,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:13,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:29:14,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:29:14,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:14,071 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdfccfa6/12f008f8a816456f911c51d36ba32dcf/FLAG61cdb7ed7 [2024-11-16 15:29:14,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdfccfa6/12f008f8a816456f911c51d36ba32dcf [2024-11-16 15:29:14,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:29:14,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:29:14,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:29:14,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:29:14,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:29:14,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700f8116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14, skipping insertion in model container [2024-11-16 15:29:14,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:29:14,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-11-16 15:29:14,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:29:14,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:29:14,442 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-53.i[913,926] [2024-11-16 15:29:14,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:29:14,505 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:29:14,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14 WrapperNode [2024-11-16 15:29:14,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:29:14,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:29:14,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:29:14,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:29:14,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,567 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-16 15:29:14,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:29:14,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:29:14,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:29:14,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:29:14,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,609 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:29:14,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:29:14,639 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:29:14,639 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:29:14,642 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:29:14,643 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (1/1) ... [2024-11-16 15:29:14,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:29:14,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:29:14,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:29:14,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:29:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:29:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 15:29:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:29:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:29:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:29:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:29:14,810 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:29:14,812 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:29:15,532 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-16 15:29:15,532 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:29:15,548 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:29:15,548 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:29:15,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:29:15 BoogieIcfgContainer [2024-11-16 15:29:15,549 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:29:15,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:29:15,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:29:15,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:29:15,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:29:14" (1/3) ... [2024-11-16 15:29:15,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8cd24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:29:15, skipping insertion in model container [2024-11-16 15:29:15,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:29:14" (2/3) ... [2024-11-16 15:29:15,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8cd24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:29:15, skipping insertion in model container [2024-11-16 15:29:15,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:29:15" (3/3) ... [2024-11-16 15:29:15,560 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-53.i [2024-11-16 15:29:15,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:29:15,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:29:15,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:29:15,655 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;@795aa8d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:29:15,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:29:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 15:29:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-16 15:29:15,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:15,675 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:15,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:15,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2142717206, now seen corresponding path program 1 times [2024-11-16 15:29:15,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:15,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012883352] [2024-11-16 15:29:15,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:15,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:15,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:15,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 15:29:15,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 15:29:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:15,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 15:29:16,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-16 15:29:16,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:29:16,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012883352] [2024-11-16 15:29:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012883352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:16,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:29:16,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543041155] [2024-11-16 15:29:16,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:29:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:16,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:29:16,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:29:16,079 INFO L87 Difference]: Start difference. First operand has 61 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 15:29:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:16,100 INFO L93 Difference]: Finished difference Result 114 states and 188 transitions. [2024-11-16 15:29:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:29:16,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 114 [2024-11-16 15:29:16,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:16,109 INFO L225 Difference]: With dead ends: 114 [2024-11-16 15:29:16,109 INFO L226 Difference]: Without dead ends: 56 [2024-11-16 15:29:16,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:29:16,115 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:16,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:29:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-16 15:29:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-16 15:29:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-16 15:29:16,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2024-11-16 15:29:16,165 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 114 [2024-11-16 15:29:16,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:16,165 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2024-11-16 15:29:16,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-16 15:29:16,166 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2024-11-16 15:29:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-16 15:29:16,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:16,168 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:16,177 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 [2024-11-16 15:29:16,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:16,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:16,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:16,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1006844837, now seen corresponding path program 1 times [2024-11-16 15:29:16,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:16,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429295999] [2024-11-16 15:29:16,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:16,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:16,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 15:29:16,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 15:29:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:16,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 15:29:16,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:16,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:29:16,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:16,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429295999] [2024-11-16 15:29:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429295999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:29:16,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524407973] [2024-11-16 15:29:16,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:16,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:16,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:16,644 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:16,909 INFO L93 Difference]: Finished difference Result 160 states and 233 transitions. [2024-11-16 15:29:16,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:16,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 114 [2024-11-16 15:29:16,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:16,913 INFO L225 Difference]: With dead ends: 160 [2024-11-16 15:29:16,913 INFO L226 Difference]: Without dead ends: 107 [2024-11-16 15:29:16,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:16,914 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 70 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:16,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 205 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:29:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-16 15:29:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-11-16 15:29:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 67 states have internal predecessors, (83), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2024-11-16 15:29:16,941 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 114 [2024-11-16 15:29:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2024-11-16 15:29:16,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2024-11-16 15:29:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 15:29:16,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:16,944 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:16,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 15:29:17,147 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 [2024-11-16 15:29:17,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:17,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:17,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2004385782, now seen corresponding path program 1 times [2024-11-16 15:29:17,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:17,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142515138] [2024-11-16 15:29:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:17,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:17,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:17,153 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) [2024-11-16 15:29:17,159 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 [2024-11-16 15:29:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:17,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 15:29:17,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:17,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:29:17,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:17,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142515138] [2024-11-16 15:29:17,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142515138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:17,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:17,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:29:17,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141354704] [2024-11-16 15:29:17,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:17,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:17,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:17,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:17,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:17,643 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:17,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:17,980 INFO L93 Difference]: Finished difference Result 214 states and 310 transitions. [2024-11-16 15:29:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2024-11-16 15:29:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:17,986 INFO L225 Difference]: With dead ends: 214 [2024-11-16 15:29:17,986 INFO L226 Difference]: Without dead ends: 113 [2024-11-16 15:29:17,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:17,992 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:17,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:29:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-16 15:29:18,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2024-11-16 15:29:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-16 15:29:18,028 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 115 [2024-11-16 15:29:18,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:18,028 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-16 15:29:18,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-16 15:29:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 15:29:18,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:18,034 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:18,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-16 15:29:18,234 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 [2024-11-16 15:29:18,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:18,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2080233686, now seen corresponding path program 1 times [2024-11-16 15:29:18,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:18,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692105165] [2024-11-16 15:29:18,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:18,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:18,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:18,241 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) [2024-11-16 15:29:18,248 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 [2024-11-16 15:29:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:18,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 15:29:18,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:18,493 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:29:18,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:18,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692105165] [2024-11-16 15:29:18,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692105165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:18,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:18,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:29:18,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234306955] [2024-11-16 15:29:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:18,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:29:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:18,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:29:18,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:18,498 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:18,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:18,774 INFO L93 Difference]: Finished difference Result 278 states and 400 transitions. [2024-11-16 15:29:18,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:29:18,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2024-11-16 15:29:18,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:18,781 INFO L225 Difference]: With dead ends: 278 [2024-11-16 15:29:18,781 INFO L226 Difference]: Without dead ends: 171 [2024-11-16 15:29:18,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:29:18,783 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 72 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:18,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 218 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:29:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-16 15:29:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 112. [2024-11-16 15:29:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 75 states have internal predecessors, (92), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-16 15:29:18,809 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 115 [2024-11-16 15:29:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:18,812 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-16 15:29:18,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-16 15:29:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-16 15:29:18,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:18,818 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:18,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-16 15:29:19,019 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 [2024-11-16 15:29:19,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:19,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -337423351, now seen corresponding path program 1 times [2024-11-16 15:29:19,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:19,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323627792] [2024-11-16 15:29:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:19,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:19,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:19,022 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) [2024-11-16 15:29:19,023 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 [2024-11-16 15:29:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:19,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 15:29:19,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-16 15:29:19,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 15:29:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-16 15:29:19,709 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:19,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323627792] [2024-11-16 15:29:19,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323627792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 15:29:19,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 15:29:19,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2024-11-16 15:29:19,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447495585] [2024-11-16 15:29:19,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 15:29:19,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:29:19,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:19,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:29:19,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:29:19,712 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 15:29:21,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:21,315 INFO L93 Difference]: Finished difference Result 351 states and 490 transitions. [2024-11-16 15:29:21,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 15:29:21,320 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2024-11-16 15:29:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:21,322 INFO L225 Difference]: With dead ends: 351 [2024-11-16 15:29:21,322 INFO L226 Difference]: Without dead ends: 242 [2024-11-16 15:29:21,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2024-11-16 15:29:21,325 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 218 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:21,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 517 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 15:29:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-16 15:29:21,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 118. [2024-11-16 15:29:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 79 states have (on average 1.2025316455696202) internal successors, (95), 79 states have internal predecessors, (95), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-16 15:29:21,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 163 transitions. [2024-11-16 15:29:21,350 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 163 transitions. Word has length 115 [2024-11-16 15:29:21,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:21,350 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 163 transitions. [2024-11-16 15:29:21,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 15:29:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2024-11-16 15:29:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-16 15:29:21,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:21,352 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:21,364 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 (6)] Forceful destruction successful, exit code 0 [2024-11-16 15:29:21,553 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 [2024-11-16 15:29:21,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:21,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:21,554 INFO L85 PathProgramCache]: Analyzing trace with hash 124184471, now seen corresponding path program 1 times [2024-11-16 15:29:21,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:21,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277908210] [2024-11-16 15:29:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:21,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:21,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:21,556 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) [2024-11-16 15:29:21,557 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 [2024-11-16 15:29:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:21,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 15:29:21,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 15:29:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-16 15:29:22,344 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 15:29:22,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 15:29:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277908210] [2024-11-16 15:29:22,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277908210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:29:22,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:29:22,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:29:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030942467] [2024-11-16 15:29:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:29:22,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:29:22,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 15:29:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:29:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:29:22,347 INFO L87 Difference]: Start difference. First operand 118 states and 163 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:29:22,888 INFO L93 Difference]: Finished difference Result 290 states and 399 transitions. [2024-11-16 15:29:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:29:22,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 116 [2024-11-16 15:29:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:29:22,902 INFO L225 Difference]: With dead ends: 290 [2024-11-16 15:29:22,902 INFO L226 Difference]: Without dead ends: 175 [2024-11-16 15:29:22,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:29:22,904 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 46 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:29:22,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 257 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 15:29:22,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-16 15:29:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 156. [2024-11-16 15:29:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.163265306122449) internal successors, (114), 98 states have internal predecessors, (114), 51 states have call successors, (51), 6 states have call predecessors, (51), 6 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-16 15:29:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 216 transitions. [2024-11-16 15:29:22,944 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 216 transitions. Word has length 116 [2024-11-16 15:29:22,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:29:22,945 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 216 transitions. [2024-11-16 15:29:22,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-16 15:29:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 216 transitions. [2024-11-16 15:29:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-16 15:29:22,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:29:22,946 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:29:22,957 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 (7)] Ended with exit code 0 [2024-11-16 15:29:23,147 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 [2024-11-16 15:29:23,147 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:29:23,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:29:23,148 INFO L85 PathProgramCache]: Analyzing trace with hash -919701733, now seen corresponding path program 1 times [2024-11-16 15:29:23,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 15:29:23,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016711342] [2024-11-16 15:29:23,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:29:23,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 15:29:23,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 15:29:23,151 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) [2024-11-16 15:29:23,152 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 [2024-11-16 15:29:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:29:23,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-16 15:29:23,317 INFO L278 TraceCheckSpWp]: Computing forward predicates...