./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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-76.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 883c6f5172a96f0287ac7e513094d32a0853666f3578c9a6dcc19d38a0beb57e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:35:29,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:35:30,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:35:30,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:35:30,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:35:30,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:35:30,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:35:30,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:35:30,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:35:30,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:35:30,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:35:30,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:35:30,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:35:30,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:35:30,062 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:35:30,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:35:30,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:35:30,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:35:30,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:35:30,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:35:30,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:35:30,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:35:30,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:35:30,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:35:30,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:35:30,069 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:35:30,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:35:30,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:35:30,070 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:35:30,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:35:30,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:35:30,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:35:30,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:35:30,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:35:30,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:35:30,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:35:30,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:35:30,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:35:30,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:35:30,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:35:30,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:35:30,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:35:30,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 883c6f5172a96f0287ac7e513094d32a0853666f3578c9a6dcc19d38a0beb57e [2024-11-10 06:35:30,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:35:30,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:35:30,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:35:30,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:35:30,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:35:30,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:31,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:35:32,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:35:32,119 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:32,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/791f4c90b/b7cebb36ab3441cf8eeb5acc6b14381e/FLAGbdc6fc3ce [2024-11-10 06:35:32,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/791f4c90b/b7cebb36ab3441cf8eeb5acc6b14381e [2024-11-10 06:35:32,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:35:32,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:35:32,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:35:32,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:35:32,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:35:32,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43aa422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32, skipping insertion in model container [2024-11-10 06:35:32,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:35:32,397 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-76.i[913,926] [2024-11-10 06:35:32,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:35:32,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:35:32,501 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-76.i[913,926] [2024-11-10 06:35:32,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:35:32,548 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:35:32,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32 WrapperNode [2024-11-10 06:35:32,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:35:32,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:35:32,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:35:32,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:35:32,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,614 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2024-11-10 06:35:32,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:35:32,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:35:32,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:35:32,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:35:32,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,656 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]. [2024-11-10 06:35:32,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:35:32,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:35:32,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:35:32,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:35:32,683 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (1/1) ... [2024-11-10 06:35:32,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:35:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:32,718 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) [2024-11-10 06:35:32,721 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 [2024-11-10 06:35:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:35:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:35:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:35:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:35:32,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:35:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:35:32,853 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:35:32,854 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:35:33,210 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: havoc property_#t~bitwise13#1;havoc property_#t~short14#1; [2024-11-10 06:35:33,270 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-10 06:35:33,271 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:35:33,322 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:35:33,323 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:35:33,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:35:33 BoogieIcfgContainer [2024-11-10 06:35:33,324 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:35:33,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:35:33,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:35:33,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:35:33,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:35:32" (1/3) ... [2024-11-10 06:35:33,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23de0669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:35:33, skipping insertion in model container [2024-11-10 06:35:33,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:32" (2/3) ... [2024-11-10 06:35:33,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23de0669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:35:33, skipping insertion in model container [2024-11-10 06:35:33,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:35:33" (3/3) ... [2024-11-10 06:35:33,335 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:33,352 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:35:33,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:35:33,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:35:33,419 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;@6d6a4ea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:35:33,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:35:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 06:35:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 06:35:33,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:33,433 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:33,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:33,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1624952093, now seen corresponding path program 1 times [2024-11-10 06:35:33,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:33,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031405908] [2024-11-10 06:35:33,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:35:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:35:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:35:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 06:35:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 06:35:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 06:35:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:35:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:35:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:35:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 06:35:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 06:35:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 06:35:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 06:35:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:33,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:33,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031405908] [2024-11-10 06:35:33,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031405908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:33,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:33,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:35:33,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936834058] [2024-11-10 06:35:33,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:33,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:35:33,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:33,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:35:33,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:35:33,809 INFO L87 Difference]: Start difference. First operand has 66 states, 50 states have (on average 1.44) internal successors, (72), 51 states have internal predecessors, (72), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 06:35:33,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:33,835 INFO L93 Difference]: Finished difference Result 120 states and 196 transitions. [2024-11-10 06:35:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:35:33,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2024-11-10 06:35:33,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:33,845 INFO L225 Difference]: With dead ends: 120 [2024-11-10 06:35:33,845 INFO L226 Difference]: Without dead ends: 57 [2024-11-10 06:35:33,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:35:33,851 INFO L432 NwaCegarLoop]: 82 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, 82 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 [2024-11-10 06:35:33,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:35:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-10 06:35:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-10 06:35:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 06:35:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2024-11-10 06:35:33,895 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 96 [2024-11-10 06:35:33,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:33,897 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2024-11-10 06:35:33,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 06:35:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2024-11-10 06:35:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 06:35:33,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:33,902 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:33,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:35:33,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:33,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1869406336, now seen corresponding path program 1 times [2024-11-10 06:35:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:33,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146656968] [2024-11-10 06:35:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:35:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:35:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:35:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 06:35:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 06:35:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 06:35:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:35:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:35:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:35:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 06:35:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 06:35:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 06:35:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 06:35:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:34,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:34,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146656968] [2024-11-10 06:35:34,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146656968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:34,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:34,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:35:34,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523427863] [2024-11-10 06:35:34,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:34,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:35:34,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:34,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:35:34,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:35:34,299 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:34,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:34,441 INFO L93 Difference]: Finished difference Result 165 states and 240 transitions. [2024-11-10 06:35:34,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:35:34,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2024-11-10 06:35:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:34,445 INFO L225 Difference]: With dead ends: 165 [2024-11-10 06:35:34,445 INFO L226 Difference]: Without dead ends: 111 [2024-11-10 06:35:34,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:35:34,448 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 49 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:34,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 196 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:35:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-10 06:35:34,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2024-11-10 06:35:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 79 states have internal predecessors, (106), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 06:35:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 158 transitions. [2024-11-10 06:35:34,474 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 158 transitions. Word has length 96 [2024-11-10 06:35:34,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:34,476 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 158 transitions. [2024-11-10 06:35:34,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 158 transitions. [2024-11-10 06:35:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 06:35:34,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:34,481 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:34,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:35:34,482 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:34,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1740323617, now seen corresponding path program 1 times [2024-11-10 06:35:34,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:34,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76087026] [2024-11-10 06:35:34,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 06:35:34,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1516792662] [2024-11-10 06:35:34,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:34,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:34,617 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) [2024-11-10 06:35:34,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 06:35:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:34,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 06:35:34,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:35:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:35,479 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:35:35,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:35,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76087026] [2024-11-10 06:35:35,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 06:35:35,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516792662] [2024-11-10 06:35:35,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516792662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:35,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:35,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:35:35,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517150970] [2024-11-10 06:35:35,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:35,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 06:35:35,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:35,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 06:35:35,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:35:35,485 INFO L87 Difference]: Start difference. First operand 108 states and 158 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:36,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:36,247 INFO L93 Difference]: Finished difference Result 693 states and 1011 transitions. [2024-11-10 06:35:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 06:35:36,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2024-11-10 06:35:36,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:36,253 INFO L225 Difference]: With dead ends: 693 [2024-11-10 06:35:36,254 INFO L226 Difference]: Without dead ends: 588 [2024-11-10 06:35:36,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:35:36,259 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 457 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:36,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 681 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 06:35:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-10 06:35:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 364. [2024-11-10 06:35:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 265 states have (on average 1.3396226415094339) internal successors, (355), 265 states have internal predecessors, (355), 91 states have call successors, (91), 7 states have call predecessors, (91), 7 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-10 06:35:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 537 transitions. [2024-11-10 06:35:36,349 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 537 transitions. Word has length 96 [2024-11-10 06:35:36,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:36,350 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 537 transitions. [2024-11-10 06:35:36,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 537 transitions. [2024-11-10 06:35:36,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 06:35:36,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:36,354 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:36,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 06:35:36,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:36,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:36,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:36,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1936837122, now seen corresponding path program 1 times [2024-11-10 06:35:36,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:36,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611337228] [2024-11-10 06:35:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:36,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 06:35:36,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833792776] [2024-11-10 06:35:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:36,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:36,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:36,615 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) [2024-11-10 06:35:36,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 06:35:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:36,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 06:35:36,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:35:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:36,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:35:36,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:36,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611337228] [2024-11-10 06:35:36,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 06:35:36,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833792776] [2024-11-10 06:35:36,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833792776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:36,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:36,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:35:36,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543589334] [2024-11-10 06:35:36,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:36,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:35:36,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:35:36,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:35:36,884 INFO L87 Difference]: Start difference. First operand 364 states and 537 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:37,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:37,115 INFO L93 Difference]: Finished difference Result 1430 states and 2117 transitions. [2024-11-10 06:35:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 06:35:37,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2024-11-10 06:35:37,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:37,124 INFO L225 Difference]: With dead ends: 1430 [2024-11-10 06:35:37,124 INFO L226 Difference]: Without dead ends: 1069 [2024-11-10 06:35:37,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-10 06:35:37,128 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 161 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:37,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 928 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:35:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-10 06:35:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 514. [2024-11-10 06:35:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 387 states have (on average 1.3695090439276485) internal successors, (530), 387 states have internal predecessors, (530), 117 states have call successors, (117), 9 states have call predecessors, (117), 9 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:35:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 764 transitions. [2024-11-10 06:35:37,199 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 764 transitions. Word has length 96 [2024-11-10 06:35:37,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:37,199 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 764 transitions. [2024-11-10 06:35:37,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:37,200 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 764 transitions. [2024-11-10 06:35:37,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 06:35:37,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:37,202 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:37,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 06:35:37,406 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,SelfDestructingSolverStorable3 [2024-11-10 06:35:37,407 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:37,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash -18139456, now seen corresponding path program 1 times [2024-11-10 06:35:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:37,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089945515] [2024-11-10 06:35:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:37,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 06:35:37,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560087430] [2024-11-10 06:35:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:37,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:37,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:37,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 06:35:37,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 06:35:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:37,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 06:35:37,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:35:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:38,088 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:35:38,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:38,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089945515] [2024-11-10 06:35:38,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 06:35:38,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560087430] [2024-11-10 06:35:38,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560087430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:38,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:38,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 06:35:38,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025800039] [2024-11-10 06:35:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:38,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 06:35:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 06:35:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:35:38,091 INFO L87 Difference]: Start difference. First operand 514 states and 764 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:38,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:38,579 INFO L93 Difference]: Finished difference Result 808 states and 1182 transitions. [2024-11-10 06:35:38,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 06:35:38,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 97 [2024-11-10 06:35:38,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:38,584 INFO L225 Difference]: With dead ends: 808 [2024-11-10 06:35:38,584 INFO L226 Difference]: Without dead ends: 703 [2024-11-10 06:35:38,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 06:35:38,586 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 393 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:38,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 659 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 06:35:38,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-10 06:35:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 522. [2024-11-10 06:35:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 395 states have (on average 1.3822784810126583) internal successors, (546), 395 states have internal predecessors, (546), 117 states have call successors, (117), 9 states have call predecessors, (117), 9 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:35:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 780 transitions. [2024-11-10 06:35:38,636 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 780 transitions. Word has length 97 [2024-11-10 06:35:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:38,638 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 780 transitions. [2024-11-10 06:35:38,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 780 transitions. [2024-11-10 06:35:38,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 06:35:38,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:38,642 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:38,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 06:35:38,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:38,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:38,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2007129889, now seen corresponding path program 1 times [2024-11-10 06:35:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:38,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985277286] [2024-11-10 06:35:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:35:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:35:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:35:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 06:35:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 06:35:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 06:35:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 06:35:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 06:35:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 06:35:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 06:35:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 06:35:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 06:35:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 06:35:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:35:38,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:35:38,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985277286] [2024-11-10 06:35:38,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985277286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:38,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:38,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:35:38,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017761986] [2024-11-10 06:35:38,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:38,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:35:38,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:35:38,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:35:38,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:35:38,971 INFO L87 Difference]: Start difference. First operand 522 states and 780 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:39,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:39,030 INFO L93 Difference]: Finished difference Result 1303 states and 1937 transitions. [2024-11-10 06:35:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:35:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 97 [2024-11-10 06:35:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:39,036 INFO L225 Difference]: With dead ends: 1303 [2024-11-10 06:35:39,036 INFO L226 Difference]: Without dead ends: 784 [2024-11-10 06:35:39,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:35:39,039 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 25 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:39,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 146 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:35:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-10 06:35:39,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 676. [2024-11-10 06:35:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 549 states have (on average 1.4043715846994536) internal successors, (771), 549 states have internal predecessors, (771), 117 states have call successors, (117), 9 states have call predecessors, (117), 9 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:35:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1005 transitions. [2024-11-10 06:35:39,090 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1005 transitions. Word has length 97 [2024-11-10 06:35:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:39,091 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 1005 transitions. [2024-11-10 06:35:39,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:35:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1005 transitions. [2024-11-10 06:35:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-10 06:35:39,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:39,094 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:39,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:35:39,098 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:39,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:39,099 INFO L85 PathProgramCache]: Analyzing trace with hash -264319554, now seen corresponding path program 1 times [2024-11-10 06:35:39,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:35:39,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941131257] [2024-11-10 06:35:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:35:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 06:35:39,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574978431] [2024-11-10 06:35:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:39,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:39,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:39,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 06:35:39,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 06:35:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 06:35:39,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 06:35:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 06:35:39,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 06:35:39,351 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 06:35:39,352 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-10 06:35:39,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 06:35:39,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:35:39,557 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:39,648 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 06:35:39,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:35:39 BoogieIcfgContainer [2024-11-10 06:35:39,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 06:35:39,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 06:35:39,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 06:35:39,652 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 06:35:39,653 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:35:33" (3/4) ... [2024-11-10 06:35:39,655 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 06:35:39,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 06:35:39,657 INFO L158 Benchmark]: Toolchain (without parser) took 7503.09ms. Allocated memory was 151.0MB in the beginning and 239.1MB in the end (delta: 88.1MB). Free memory was 94.7MB in the beginning and 113.1MB in the end (delta: -18.4MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,657 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 06:35:39,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.18ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 79.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.31ms. Allocated memory is still 151.0MB. Free memory was 78.8MB in the beginning and 76.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,658 INFO L158 Benchmark]: Boogie Preprocessor took 61.84ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,658 INFO L158 Benchmark]: IcfgBuilder took 643.67ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 72.2MB in the beginning and 166.0MB in the end (delta: -93.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,659 INFO L158 Benchmark]: TraceAbstraction took 6322.78ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 164.9MB in the beginning and 114.2MB in the end (delta: 50.7MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2024-11-10 06:35:39,659 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 239.1MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 06:35:39,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.18ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 79.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.31ms. Allocated memory is still 151.0MB. Free memory was 78.8MB in the beginning and 76.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.84ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 72.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 643.67ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 72.2MB in the beginning and 166.0MB in the end (delta: -93.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6322.78ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 164.9MB in the beginning and 114.2MB in the end (delta: 50.7MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 239.1MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryFLOATComparisonOperation at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double last_1_var_1_1 = 256.5; [L38] float last_1_var_1_8 = 5.25; [L39] signed long int last_1_var_1_11 = 4; [L40] unsigned short int last_1_var_1_14 = 10000; [L41] unsigned short int last_1_var_1_17 = 4; [L42] unsigned char last_1_var_1_18 = 100; VAL [isInitial=0, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] CALL updateLastVariables() [L114] last_1_var_1_1 = var_1_1 [L115] last_1_var_1_8 = var_1_8 [L116] last_1_var_1_11 = var_1_11 [L117] last_1_var_1_14 = var_1_14 [L118] last_1_var_1_17 = var_1_17 [L119] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L129] RET updateLastVariables() [L130] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L92] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L93] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L93] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L94] var_1_3 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L95] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L96] var_1_4 = __VERIFIER_nondet_double() [L97] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L97] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L98] var_1_5 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L99] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L100] var_1_7 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L101] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L102] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L102] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L103] var_1_16 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L104] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L105] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L105] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L106] var_1_19 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L107] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L108] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L108] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L109] var_1_20 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L110] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L111] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L111] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L130] RET updateVariables() [L131] CALL step() [L46] COND FALSE !(\read(var_1_2)) [L55] var_1_17 = last_1_var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4] [L57] COND TRUE ! var_1_2 [L58] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L62] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L67] unsigned short int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=0, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L68] EXPR var_1_6 | var_1_6 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=0, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L68] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L71] COND FALSE !(var_1_5 >= var_1_1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L78] COND TRUE var_1_4 <= last_1_var_1_1 [L79] var_1_11 = (last_1_var_1_14 + -128) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L83] signed long int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L84] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L85] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L122-L123] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 7, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1085 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1085 mSDsluCounter, 2692 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1825 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1028 IncrementalHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 867 mSDtfsCounter, 1028 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 405 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=676occurred in iteration=6, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1071 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1061 NumberOfCodeBlocks, 1061 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 572 ConstructedInterpolants, 0 QuantifiedInterpolants, 2490 SizeOfPredicates, 14 NumberOfNonLiveVariables, 735 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1872/1872 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 [2024-11-10 06:35:39,689 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-76.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 883c6f5172a96f0287ac7e513094d32a0853666f3578c9a6dcc19d38a0beb57e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:35:41,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:35:41,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-10 06:35:42,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:35:42,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:35:42,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:35:42,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:35:42,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:35:42,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:35:42,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:35:42,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:35:42,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:35:42,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:35:42,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:35:42,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:35:42,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:35:42,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:35:42,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:35:42,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:35:42,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:35:42,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:35:42,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:35:42,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:35:42,052 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 06:35:42,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 06:35:42,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:35:42,053 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 06:35:42,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:35:42,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:35:42,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:35:42,054 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:35:42,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:35:42,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:35:42,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:35:42,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:35:42,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:35:42,055 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:35:42,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:35:42,056 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 06:35:42,056 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 06:35:42,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:35:42,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:35:42,059 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:35:42,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:35:42,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 883c6f5172a96f0287ac7e513094d32a0853666f3578c9a6dcc19d38a0beb57e [2024-11-10 06:35:42,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:35:42,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:35:42,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:35:42,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:35:42,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:35:42,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:44,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:35:44,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:35:44,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:44,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05baf9cfd/5dc3f88052524d159d8fb2dbda9ddd50/FLAGe08ee9648 [2024-11-10 06:35:44,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05baf9cfd/5dc3f88052524d159d8fb2dbda9ddd50 [2024-11-10 06:35:44,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:35:44,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:35:44,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:35:44,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:35:44,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:35:44,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:35:44" (1/1) ... [2024-11-10 06:35:44,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c735fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:44, skipping insertion in model container [2024-11-10 06:35:44,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:35:44" (1/1) ... [2024-11-10 06:35:44,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:35:45,068 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-76.i[913,926] [2024-11-10 06:35:45,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:35:45,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:35:45,180 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-76.i[913,926] [2024-11-10 06:35:45,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:35:45,238 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:35:45,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45 WrapperNode [2024-11-10 06:35:45,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:35:45,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:35:45,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:35:45,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:35:45,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,298 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-10 06:35:45,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:35:45,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:35:45,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:35:45,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:35:45,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,345 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]. [2024-11-10 06:35:45,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,361 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:35:45,380 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:35:45,381 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:35:45,381 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:35:45,382 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (1/1) ... [2024-11-10 06:35:45,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:35:45,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:35:45,417 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) [2024-11-10 06:35:45,421 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 [2024-11-10 06:35:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:35:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-10 06:35:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:35:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:35:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:35:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:35:45,557 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:35:45,560 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:35:58,780 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-10 06:35:58,782 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:35:58,793 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:35:58,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:35:58,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:35:58 BoogieIcfgContainer [2024-11-10 06:35:58,795 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:35:58,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:35:58,798 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:35:58,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:35:58,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:35:44" (1/3) ... [2024-11-10 06:35:58,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8631625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:35:58, skipping insertion in model container [2024-11-10 06:35:58,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:35:45" (2/3) ... [2024-11-10 06:35:58,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8631625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:35:58, skipping insertion in model container [2024-11-10 06:35:58,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:35:58" (3/3) ... [2024-11-10 06:35:58,805 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-76.i [2024-11-10 06:35:58,821 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:35:58,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:35:58,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:35:58,902 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;@270ea992, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:35:58,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:35:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 06:35:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 06:35:58,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:58,919 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:58,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:35:58,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:35:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 438688861, now seen corresponding path program 1 times [2024-11-10 06:35:58,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 06:35:58,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513700055] [2024-11-10 06:35:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:35:58,935 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 [2024-11-10 06:35:58,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 06:35:58,939 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) [2024-11-10 06:35:58,939 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 [2024-11-10 06:35:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:35:59,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 06:35:59,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:35:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2024-11-10 06:35:59,840 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:35:59,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 06:35:59,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513700055] [2024-11-10 06:35:59,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513700055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:35:59,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:35:59,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:35:59,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273944296] [2024-11-10 06:35:59,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:35:59,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:35:59,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 06:35:59,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:35:59,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:35:59,873 INFO L87 Difference]: Start difference. First operand has 57 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 42 states have internal predecessors, (58), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 06:35:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:35:59,894 INFO L93 Difference]: Finished difference Result 106 states and 174 transitions. [2024-11-10 06:35:59,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:35:59,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2024-11-10 06:35:59,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:35:59,902 INFO L225 Difference]: With dead ends: 106 [2024-11-10 06:35:59,902 INFO L226 Difference]: Without dead ends: 52 [2024-11-10 06:35:59,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:35:59,908 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:35:59,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:35:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-10 06:35:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-10 06:35:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 37 states have internal predecessors, (50), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 06:35:59,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-10 06:35:59,948 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 93 [2024-11-10 06:35:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:35:59,951 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-10 06:35:59,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-10 06:35:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-10 06:35:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 06:35:59,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:35:59,957 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:35:59,985 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 [2024-11-10 06:36:00,158 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 [2024-11-10 06:36:00,159 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:36:00,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:36:00,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1495900966, now seen corresponding path program 1 times [2024-11-10 06:36:00,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 06:36:00,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914415928] [2024-11-10 06:36:00,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:36:00,161 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 [2024-11-10 06:36:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 06:36:00,163 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) [2024-11-10 06:36:00,164 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 [2024-11-10 06:36:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:36:00,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 06:36:00,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:36:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:36:03,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:36:03,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 06:36:03,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914415928] [2024-11-10 06:36:03,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914415928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:36:03,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:36:03,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:36:03,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937584358] [2024-11-10 06:36:03,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:36:03,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:36:03,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 06:36:03,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:36:03,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:36:03,263 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:36:07,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:11,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:36:11,562 INFO L93 Difference]: Finished difference Result 150 states and 222 transitions. [2024-11-10 06:36:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:36:11,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 93 [2024-11-10 06:36:11,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:36:11,658 INFO L225 Difference]: With dead ends: 150 [2024-11-10 06:36:11,658 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 06:36:11,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:36:11,660 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 27 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:36:11,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 144 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-10 06:36:11,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 06:36:11,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-11-10 06:36:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 06:36:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 146 transitions. [2024-11-10 06:36:11,683 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 146 transitions. Word has length 93 [2024-11-10 06:36:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:36:11,684 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 146 transitions. [2024-11-10 06:36:11,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:36:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2024-11-10 06:36:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 06:36:11,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:36:11,688 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:36:11,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-10 06:36:11,888 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 [2024-11-10 06:36:11,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:36:11,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:36:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1692414471, now seen corresponding path program 1 times [2024-11-10 06:36:11,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 06:36:11,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861526523] [2024-11-10 06:36:11,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:36:11,890 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 [2024-11-10 06:36:11,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 06:36:11,892 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) [2024-11-10 06:36:11,894 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 [2024-11-10 06:36:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:36:12,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 06:36:12,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:36:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 06:36:19,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 06:36:19,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 06:36:19,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861526523] [2024-11-10 06:36:19,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861526523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:36:19,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:36:19,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:36:19,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684821343] [2024-11-10 06:36:19,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:36:19,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 06:36:19,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 06:36:19,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 06:36:19,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:36:19,809 INFO L87 Difference]: Start difference. First operand 98 states and 146 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-10 06:36:27,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:31,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:35,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:39,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:43,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:47,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:51,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:55,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-10 06:36:59,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []