./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.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 13162354a30f61815ef67cb01318a2427f055a532be2e9258309b67d1af8560f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:41:00,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:41:00,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:41:00,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:41:00,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:41:00,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:41:00,777 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:41:00,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:41:00,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:41:00,780 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:41:00,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:41:00,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:41:00,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:41:00,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:41:00,785 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:41:00,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:41:00,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:41:00,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:41:00,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:41:00,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:41:00,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:41:00,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:41:00,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:41:00,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:41:00,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:41:00,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:41:00,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:41:00,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:41:00,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:41:00,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:41:00,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:41:00,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:41:00,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:41:00,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:41:00,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:41:00,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:41:00,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:41:00,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:41:00,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:41:00,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:41:00,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:41:00,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:41:00,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13162354a30f61815ef67cb01318a2427f055a532be2e9258309b67d1af8560f [2024-11-20 06:41:01,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:41:01,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:41:01,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:41:01,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:41:01,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:41:01,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:02,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:41:02,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:41:02,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:02,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37760fb1/6c4f7322c0dd473b9d2dd144ca8a7c5c/FLAG661ee8961 [2024-11-20 06:41:03,167 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d37760fb1/6c4f7322c0dd473b9d2dd144ca8a7c5c [2024-11-20 06:41:03,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:41:03,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:41:03,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:41:03,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:41:03,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:41:03,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d4288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03, skipping insertion in model container [2024-11-20 06:41:03,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:41:03,387 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_loopvsstraightlinecode_25-1loop_file-98.i[915,928] [2024-11-20 06:41:03,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:41:03,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:41:03,479 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_loopvsstraightlinecode_25-1loop_file-98.i[915,928] [2024-11-20 06:41:03,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:41:03,537 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:41:03,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03 WrapperNode [2024-11-20 06:41:03,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:41:03,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:41:03,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:41:03,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:41:03,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,595 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-20 06:41:03,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:41:03,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:41:03,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:41:03,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:41:03,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,622 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 06:41:03,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:41:03,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:41:03,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:41:03,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:41:03,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (1/1) ... [2024-11-20 06:41:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:41:03,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:41:03,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 06:41:03,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 06:41:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:41:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:41:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:41:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:41:03,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:41:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:41:03,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:41:03,783 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:41:04,012 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-20 06:41:04,013 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:41:04,025 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:41:04,025 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:41:04,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:41:04 BoogieIcfgContainer [2024-11-20 06:41:04,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:41:04,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:41:04,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:41:04,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:41:04,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:41:03" (1/3) ... [2024-11-20 06:41:04,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdec6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:41:04, skipping insertion in model container [2024-11-20 06:41:04,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:03" (2/3) ... [2024-11-20 06:41:04,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdec6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:41:04, skipping insertion in model container [2024-11-20 06:41:04,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:41:04" (3/3) ... [2024-11-20 06:41:04,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:04,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:41:04,047 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:41:04,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:41:04,112 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;@610f2684, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:41:04,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:41:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.275) internal successors, (51), 41 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:41:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 06:41:04,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:41:04,127 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:41:04,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:41:04,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:41:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 342970907, now seen corresponding path program 1 times [2024-11-20 06:41:04,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:41:04,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318056183] [2024-11-20 06:41:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:04,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:41:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:41:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:41:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:41:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 06:41:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:41:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 06:41:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:41:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 06:41:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:41:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 06:41:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:41:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 06:41:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 06:41:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 06:41:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 06:41:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 06:41:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 06:41:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 06:41:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 06:41:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 06:41:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-20 06:41:04,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:41:04,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318056183] [2024-11-20 06:41:04,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318056183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:41:04,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:41:04,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:41:04,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173456122] [2024-11-20 06:41:04,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:41:04,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:41:04,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:41:04,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:41:04,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:41:04,698 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.275) internal successors, (51), 41 states have internal predecessors, (51), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 06:41:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:41:04,722 INFO L93 Difference]: Finished difference Result 123 states and 199 transitions. [2024-11-20 06:41:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:41:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2024-11-20 06:41:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:41:04,732 INFO L225 Difference]: With dead ends: 123 [2024-11-20 06:41:04,732 INFO L226 Difference]: Without dead ends: 59 [2024-11-20 06:41:04,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:41:04,742 INFO L432 NwaCegarLoop]: 88 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, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:41:04,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:41:04,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-20 06:41:04,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-20 06:41:04,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:41:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2024-11-20 06:41:04,788 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 128 [2024-11-20 06:41:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:41:04,789 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2024-11-20 06:41:04,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 06:41:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2024-11-20 06:41:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 06:41:04,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:41:04,795 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:41:04,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:41:04,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:41:04,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:41:04,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1192104347, now seen corresponding path program 1 times [2024-11-20 06:41:04,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:41:04,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568141474] [2024-11-20 06:41:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:41:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 06:41:05,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604595659] [2024-11-20 06:41:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:41:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:41:05,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:41:05,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 06:41:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:05,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-20 06:41:05,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:41:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 307 proven. 129 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-20 06:41:06,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:41:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-20 06:41:07,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:41:07,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568141474] [2024-11-20 06:41:07,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 06:41:07,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604595659] [2024-11-20 06:41:07,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604595659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:41:07,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 06:41:07,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 22 [2024-11-20 06:41:07,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370493517] [2024-11-20 06:41:07,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 06:41:07,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-20 06:41:07,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:41:07,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-20 06:41:07,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-20 06:41:07,462 INFO L87 Difference]: Start difference. First operand 59 states and 84 transitions. Second operand has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (37), 4 states have call predecessors, (37), 7 states have return successors, (38), 7 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-20 06:41:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:41:09,480 INFO L93 Difference]: Finished difference Result 150 states and 200 transitions. [2024-11-20 06:41:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-20 06:41:09,480 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (37), 4 states have call predecessors, (37), 7 states have return successors, (38), 7 states have call predecessors, (38), 6 states have call successors, (38) Word has length 128 [2024-11-20 06:41:09,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:41:09,485 INFO L225 Difference]: With dead ends: 150 [2024-11-20 06:41:09,485 INFO L226 Difference]: Without dead ends: 94 [2024-11-20 06:41:09,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=410, Invalid=1396, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 06:41:09,490 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 177 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:41:09,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 395 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 06:41:09,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-20 06:41:09,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 77. [2024-11-20 06:41:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 51 states have internal predecessors, (58), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:41:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2024-11-20 06:41:09,518 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 128 [2024-11-20 06:41:09,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:41:09,520 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2024-11-20 06:41:09,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (37), 4 states have call predecessors, (37), 7 states have return successors, (38), 7 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-20 06:41:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2024-11-20 06:41:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 06:41:09,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:41:09,523 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:41:09,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 06:41:09,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:41:09,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:41:09,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:41:09,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1327855587, now seen corresponding path program 1 times [2024-11-20 06:41:09,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:41:09,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189138253] [2024-11-20 06:41:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:09,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:41:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 06:41:09,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162607923] [2024-11-20 06:41:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:09,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:41:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:41:09,895 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) [2024-11-20 06:41:09,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 06:41:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:41:10,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 06:41:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:41:10,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 06:41:10,154 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 06:41:10,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 06:41:10,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 06:41:10,357 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,SelfDestructingSolverStorable2 [2024-11-20 06:41:10,360 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 06:41:10,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 06:41:10,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:41:10 BoogieIcfgContainer [2024-11-20 06:41:10,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 06:41:10,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 06:41:10,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 06:41:10,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 06:41:10,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:41:04" (3/4) ... [2024-11-20 06:41:10,477 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 06:41:10,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 06:41:10,480 INFO L158 Benchmark]: Toolchain (without parser) took 7308.43ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 104.4MB in the beginning and 115.5MB in the end (delta: -11.0MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,480 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:41:10,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.40ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 89.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.87ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,484 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 159.4MB. Free memory was 87.0MB in the beginning and 84.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,484 INFO L158 Benchmark]: RCFGBuilder took 378.21ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 67.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,485 INFO L158 Benchmark]: TraceAbstraction took 6443.04ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 66.7MB in the beginning and 116.5MB in the end (delta: -49.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-20 06:41:10,485 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 237.0MB. Free memory was 116.5MB in the beginning and 115.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:41:10,487 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 159.4MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.40ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 89.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.87ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 159.4MB. Free memory was 87.0MB in the beginning and 84.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 378.21ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 67.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6443.04ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 66.7MB in the beginning and 116.5MB in the end (delta: -49.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 237.0MB. Free memory was 116.5MB in the beginning and 115.5MB 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 94, overapproximation of someBinaryArithmeticDOUBLEoperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.8; [L23] double var_1_2 = 63.5; [L24] double var_1_3 = 9999999.5; [L25] double var_1_4 = 0.6; [L26] signed short int var_1_6 = 10; [L27] signed long int var_1_7 = -1; [L28] double var_1_8 = 32.34; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_11 = 1; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned long int var_1_15 = 0; [L35] unsigned long int var_1_16 = 2731588682; [L36] unsigned long int var_1_17 = 2; [L37] unsigned long int var_1_18 = 50; [L38] unsigned char last_1_var_1_9 = 0; VAL [isInitial=0, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_2=127/2, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_2=127/2, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L101] COND TRUE k_loop < 1 [L102] CALL updateLastVariables() [L91] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_2=127/2, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L59] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_3=19999999/2, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L60] var_1_3 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_3 >= 0.0F && 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_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L61] RET assume_abort_if_not((var_1_3 >= 0.0F && 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_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=10, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L62] var_1_6 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L64] CALL assume_abort_if_not(var_1_6 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 <= 32) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=-1, var_1_8=1617/50, var_1_9=0] [L65] var_1_7 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L66] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L67] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L67] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L68] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_8=1617/50, var_1_9=0] [L69] var_1_8 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L70] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L71] var_1_11 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L72] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L73] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L74] var_1_12 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L75] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L76] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L77] var_1_13 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L78] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L80] var_1_14 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L81] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L82] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2731588682, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L83] var_1_16 = __VERIFIER_nondet_ulong() [L84] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L84] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L85] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=2, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L88] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_1=24/5, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L103] RET updateVariables() [L104] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=0] [L43] COND TRUE ((- var_1_2) * var_1_8) == var_1_1 [L44] var_1_9 = ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L46] COND TRUE \read(var_1_14) [L47] var_1_15 = var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=50, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L51] var_1_18 = var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L52] EXPR var_1_18 >> var_1_6 VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L52] unsigned long int stepLocal_0 = (var_1_18 >> var_1_6) / var_1_7; [L53] COND FALSE !(8 < stepLocal_0) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L104] RET step() [L105] CALL, EXPR property() [L94] EXPR (var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L94-L95] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && ((8 < ((var_1_18 >> var_1_6) / var_1_7)) ? (var_1_4 == ((double) ((15.475 + 256.75) + var_1_8))) : 1)) && ((((- var_1_2) * var_1_8) == var_1_1) ? (var_1_9 == ((unsigned char) ((last_1_var_1_9 || var_1_11) && (var_1_12 && (var_1_13 && var_1_14))))) : 1)) && (var_1_14 ? (var_1_15 == ((unsigned long int) var_1_6)) : (var_1_15 == ((unsigned long int) (var_1_16 - ((((var_1_6) > ((1251570750u - var_1_17))) ? (var_1_6) : ((1251570750u - var_1_17))))))))) && (var_1_18 == ((unsigned long int) var_1_6)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=0, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=2147483647, var_1_17=0, var_1_18=0, var_1_4=3/5, var_1_6=0, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 148 mSDtfsCounter, 562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=2, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 381 ConstructedInterpolants, 1 QuantifiedInterpolants, 2595 SizeOfPredicates, 4 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2112/2280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 06:41:10,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.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 13162354a30f61815ef67cb01318a2427f055a532be2e9258309b67d1af8560f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:41:12,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:41:12,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 06:41:12,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:41:12,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:41:12,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:41:12,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:41:12,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:41:12,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:41:12,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:41:12,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:41:12,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:41:12,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:41:12,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:41:12,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:41:12,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:41:12,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:41:12,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:41:12,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:41:12,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:41:12,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:41:12,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:41:12,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:41:12,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 06:41:12,936 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 06:41:12,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:41:12,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 06:41:12,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:41:12,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:41:12,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:41:12,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:41:12,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:41:12,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:41:12,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:41:12,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:41:12,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:41:12,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:41:12,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:41:12,941 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 06:41:12,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 06:41:12,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:41:12,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:41:12,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:41:12,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:41:12,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13162354a30f61815ef67cb01318a2427f055a532be2e9258309b67d1af8560f [2024-11-20 06:41:13,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:41:13,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:41:13,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:41:13,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:41:13,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:41:13,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:14,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:41:15,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:41:15,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:15,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d6dd37c/2fab97376c174d749249c7126e4faec6/FLAGa7b55a371 [2024-11-20 06:41:15,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58d6dd37c/2fab97376c174d749249c7126e4faec6 [2024-11-20 06:41:15,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:41:15,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:41:15,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:41:15,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:41:15,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:41:15,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561a216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15, skipping insertion in model container [2024-11-20 06:41:15,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:41:15,413 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_loopvsstraightlinecode_25-1loop_file-98.i[915,928] [2024-11-20 06:41:15,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:41:15,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:41:15,501 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_loopvsstraightlinecode_25-1loop_file-98.i[915,928] [2024-11-20 06:41:15,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:41:15,553 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:41:15,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15 WrapperNode [2024-11-20 06:41:15,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:41:15,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:41:15,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:41:15,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:41:15,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,616 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-20 06:41:15,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:41:15,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:41:15,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:41:15,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:41:15,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,657 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 06:41:15,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:41:15,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:41:15,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:41:15,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:41:15,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (1/1) ... [2024-11-20 06:41:15,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:41:15,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:41:15,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 06:41:15,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 06:41:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:41:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 06:41:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:41:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:41:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:41:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:41:15,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:41:15,867 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:41:26,899 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-20 06:41:26,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:41:26,913 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:41:26,915 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:41:26,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:41:26 BoogieIcfgContainer [2024-11-20 06:41:26,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:41:26,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:41:26,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:41:26,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:41:26,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:41:15" (1/3) ... [2024-11-20 06:41:26,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d72078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:41:26, skipping insertion in model container [2024-11-20 06:41:26,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:15" (2/3) ... [2024-11-20 06:41:26,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d72078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:41:26, skipping insertion in model container [2024-11-20 06:41:26,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:41:26" (3/3) ... [2024-11-20 06:41:26,928 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-98.i [2024-11-20 06:41:26,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:41:26,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:41:27,013 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:41:27,022 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;@65f83a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:41:27,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:41:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:41:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 06:41:27,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:41:27,047 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:41:27,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:41:27,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:41:27,057 INFO L85 PathProgramCache]: Analyzing trace with hash -2032212051, now seen corresponding path program 1 times [2024-11-20 06:41:27,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:41:27,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128898763] [2024-11-20 06:41:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:27,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:41:27,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:41:27,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:41:27,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 06:41:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:27,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 06:41:27,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:41:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-20 06:41:27,716 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 06:41:27,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:41:27,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128898763] [2024-11-20 06:41:27,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128898763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:41:27,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:41:27,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:41:27,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186266083] [2024-11-20 06:41:27,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:41:27,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:41:27,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:41:27,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:41:27,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:41:27,761 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.25) internal successors, (40), 33 states have internal predecessors, (40), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 06:41:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:41:27,804 INFO L93 Difference]: Finished difference Result 107 states and 177 transitions. [2024-11-20 06:41:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:41:27,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-20 06:41:27,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:41:27,818 INFO L225 Difference]: With dead ends: 107 [2024-11-20 06:41:27,819 INFO L226 Difference]: Without dead ends: 51 [2024-11-20 06:41:27,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:41:27,829 INFO L432 NwaCegarLoop]: 77 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, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:41:27,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:41:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-20 06:41:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-20 06:41:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:41:27,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-11-20 06:41:27,888 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 124 [2024-11-20 06:41:27,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:41:27,889 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-11-20 06:41:27,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-20 06:41:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-20 06:41:27,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 06:41:27,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:41:27,895 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:41:27,919 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 [2024-11-20 06:41:28,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:41:28,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:41:28,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:41:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash -389585107, now seen corresponding path program 1 times [2024-11-20 06:41:28,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:41:28,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614946662] [2024-11-20 06:41:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:41:28,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:41:28,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:41:28,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:41:28,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 06:41:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:41:28,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 06:41:28,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:41:41,388 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 06:41:49,495 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 06:41:57,597 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 06:42:05,696 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 06:42:13,806 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-20 06:42:21,927 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)