./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_50-1loop_file-15.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_50-1loop_file-15.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8157cb237436bd29af2df5955b9d90f1a5cf7c75dcb1a04661096b181d8b2711 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:52:42,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:52:42,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:52:42,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:52:42,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:52:42,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:52:42,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:52:42,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:52:42,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:52:42,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:52:42,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:52:42,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:52:42,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:52:42,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:52:42,332 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:52:42,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:52:42,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:52:42,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:52:42,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:52:42,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:52:42,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:52:42,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:52:42,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:52:42,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:52:42,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:52:42,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:52:42,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:52:42,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:52:42,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:52:42,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:52:42,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:52:42,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:52:42,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:52:42,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:52:42,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:52:42,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:52:42,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:52:42,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:52:42,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:52:42,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:52:42,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:52:42,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:52:42,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8157cb237436bd29af2df5955b9d90f1a5cf7c75dcb1a04661096b181d8b2711 [2024-11-20 06:52:42,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:52:42,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:52:42,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:52:42,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:52:42,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:52:42,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:44,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:52:44,309 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:52:44,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:44,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef6af6d3/abebb51d09074e4ab1197dd71ea035ca/FLAG174a842a2 [2024-11-20 06:52:44,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef6af6d3/abebb51d09074e4ab1197dd71ea035ca [2024-11-20 06:52:44,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:52:44,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:52:44,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:52:44,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:52:44,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:52:44,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62950888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44, skipping insertion in model container [2024-11-20 06:52:44,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:52:44,588 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_50-1loop_file-15.i[915,928] [2024-11-20 06:52:44,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:52:44,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:52:44,682 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_50-1loop_file-15.i[915,928] [2024-11-20 06:52:44,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:52:44,732 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:52:44,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44 WrapperNode [2024-11-20 06:52:44,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:52:44,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:52:44,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:52:44,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:52:44,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,780 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2024-11-20 06:52:44,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:52:44,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:52:44,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:52:44,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:52:44,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,840 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 06:52:44,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:52:44,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:52:44,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:52:44,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:52:44,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (1/1) ... [2024-11-20 06:52:44,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:52:44,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:52:44,930 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 06:52:44,934 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 06:52:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:52:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:52:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:52:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:52:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:52:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:52:45,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:52:45,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:52:45,446 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-20 06:52:45,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:52:45,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:52:45,465 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:52:45,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:45 BoogieIcfgContainer [2024-11-20 06:52:45,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:52:45,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:52:45,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:52:45,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:52:45,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:52:44" (1/3) ... [2024-11-20 06:52:45,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1226339c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:45, skipping insertion in model container [2024-11-20 06:52:45,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:44" (2/3) ... [2024-11-20 06:52:45,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1226339c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:45, skipping insertion in model container [2024-11-20 06:52:45,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:45" (3/3) ... [2024-11-20 06:52:45,477 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:45,495 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:52:45,496 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:52:45,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:52:45,576 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;@56d5c49b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:52:45,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:52:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 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 06:52:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 06:52:45,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:45,597 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:45,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:45,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1390071704, now seen corresponding path program 1 times [2024-11-20 06:52:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:52:45,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408255833] [2024-11-20 06:52:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:52:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:52:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:52:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:52:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 06:52:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:52:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 06:52:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:52:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 06:52:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:52:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 06:52:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:52:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:52:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 06:52:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 06:52:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 06:52:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 06:52:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 06:52:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 06:52:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 06:52:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 06:52:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,019 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 06:52:46,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:52:46,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408255833] [2024-11-20 06:52:46,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408255833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:52:46,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:52:46,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:52:46,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709488209] [2024-11-20 06:52:46,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:52:46,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:52:46,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:52:46,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:52:46,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:52:46,061 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 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 06:52:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:52:46,090 INFO L93 Difference]: Finished difference Result 133 states and 219 transitions. [2024-11-20 06:52:46,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:52:46,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 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 132 [2024-11-20 06:52:46,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:52:46,106 INFO L225 Difference]: With dead ends: 133 [2024-11-20 06:52:46,106 INFO L226 Difference]: Without dead ends: 64 [2024-11-20 06:52:46,111 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 06:52:46,116 INFO L432 NwaCegarLoop]: 98 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, 98 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 06:52:46,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:52:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-20 06:52:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-20 06:52:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:52:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-20 06:52:46,162 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 132 [2024-11-20 06:52:46,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:52:46,163 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-20 06:52:46,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 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 06:52:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-20 06:52:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 06:52:46,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:46,167 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:46,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:52:46,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:46,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1653616356, now seen corresponding path program 1 times [2024-11-20 06:52:46,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:52:46,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980093352] [2024-11-20 06:52:46,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:46,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:52:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:52:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:52:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:52:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 06:52:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:52:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 06:52:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:52:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 06:52:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:52:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 06:52:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:52:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:52:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 06:52:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 06:52:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 06:52:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 06:52:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 06:52:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 06:52:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 06:52:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 06:52:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:46,770 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 06:52:46,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:52:46,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980093352] [2024-11-20 06:52:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980093352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:52:46,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:52:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 06:52:46,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003140200] [2024-11-20 06:52:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:52:46,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:52:46,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:52:46,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:52:46,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:52:46,776 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:52:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:52:47,008 INFO L93 Difference]: Finished difference Result 188 states and 278 transitions. [2024-11-20 06:52:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:52:47,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-20 06:52:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:52:47,014 INFO L225 Difference]: With dead ends: 188 [2024-11-20 06:52:47,018 INFO L226 Difference]: Without dead ends: 127 [2024-11-20 06:52:47,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:52:47,020 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:52:47,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 255 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:52:47,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-20 06:52:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 104. [2024-11-20 06:52:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:52:47,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2024-11-20 06:52:47,064 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 132 [2024-11-20 06:52:47,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:52:47,065 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2024-11-20 06:52:47,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:52:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2024-11-20 06:52:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 06:52:47,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:47,070 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:47,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:52:47,070 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:47,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:47,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1318450116, now seen corresponding path program 1 times [2024-11-20 06:52:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:52:47,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027091160] [2024-11-20 06:52:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:52:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:52:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 06:52:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 06:52:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 06:52:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 06:52:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 06:52:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 06:52:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 06:52:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 06:52:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-20 06:52:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 06:52:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 06:52:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 06:52:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-20 06:52:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 06:52:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 06:52:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 06:52:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 06:52:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 06:52:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-20 06:52:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:47,501 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 06:52:47,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:52:47,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027091160] [2024-11-20 06:52:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027091160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:52:47,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:52:47,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 06:52:47,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138588835] [2024-11-20 06:52:47,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:52:47,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:52:47,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:52:47,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:52:47,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:52:47,505 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:52:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:52:47,676 INFO L93 Difference]: Finished difference Result 262 states and 379 transitions. [2024-11-20 06:52:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:52:47,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-11-20 06:52:47,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:52:47,679 INFO L225 Difference]: With dead ends: 262 [2024-11-20 06:52:47,679 INFO L226 Difference]: Without dead ends: 201 [2024-11-20 06:52:47,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:52:47,681 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 120 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:52:47,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 257 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:52:47,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-20 06:52:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 161. [2024-11-20 06:52:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 102 states have (on average 1.2254901960784315) internal successors, (125), 103 states have internal predecessors, (125), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-20 06:52:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 233 transitions. [2024-11-20 06:52:47,724 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 233 transitions. Word has length 133 [2024-11-20 06:52:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:52:47,725 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 233 transitions. [2024-11-20 06:52:47,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:52:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 233 transitions. [2024-11-20 06:52:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 06:52:47,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:47,727 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:47,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:52:47,728 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:47,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1998508486, now seen corresponding path program 1 times [2024-11-20 06:52:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:52:47,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757630731] [2024-11-20 06:52:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:52:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:52:47,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 06:52:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 06:52:47,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 06:52:47,924 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 06:52:47,925 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 06:52:47,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:52:47,929 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 06:52:48,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 06:52:48,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:52:48 BoogieIcfgContainer [2024-11-20 06:52:48,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 06:52:48,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 06:52:48,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 06:52:48,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 06:52:48,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:45" (3/4) ... [2024-11-20 06:52:48,051 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 06:52:48,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 06:52:48,053 INFO L158 Benchmark]: Toolchain (without parser) took 3718.53ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 101.3MB in the beginning and 51.6MB in the end (delta: 49.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,053 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:52:48,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.25ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 85.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 83.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,054 INFO L158 Benchmark]: Boogie Preprocessor took 98.85ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 123.0MB in the end (delta: -39.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,054 INFO L158 Benchmark]: RCFGBuilder took 584.05ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 104.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,058 INFO L158 Benchmark]: TraceAbstraction took 2579.37ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 102.9MB in the beginning and 51.6MB in the end (delta: 51.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-11-20 06:52:48,059 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 186.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 06:52:48,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.25ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 85.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 83.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.85ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 123.0MB in the end (delta: -39.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 584.05ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 104.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2579.37ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 102.9MB in the beginning and 51.6MB in the end (delta: 51.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 186.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed char last_1_var_1_10 = -5; [L43] signed long int last_1_var_1_21 = 1; [L44] signed long int last_1_var_1_25 = -4; VAL [isInitial=0, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_3=162/5, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L141] isInitial = 1 [L142] FCALL initially() [L143] int k_loop; [L144] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_3=162/5, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L144] COND TRUE k_loop < 1 [L145] CALL updateLastVariables() [L132] last_1_var_1_10 = var_1_10 [L133] last_1_var_1_21 = var_1_21 [L134] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_3=162/5, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L145] RET updateLastVariables() [L146] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L98] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L101] var_1_7 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=64, var_1_9=256] [L104] var_1_8 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L105] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L106] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=256] [L107] var_1_9 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L109] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L109] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L110] var_1_11 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L111] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L112] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L112] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L113] var_1_13 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L114] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L118] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L119] var_1_16 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L120] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L123] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L123] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L125] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=5, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L127] var_1_23 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L129] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L129] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L146] RET updateVariables() [L147] CALL step() [L48] COND TRUE last_1_var_1_10 < last_1_var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L49] COND TRUE var_1_11 <= last_1_var_1_25 [L50] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L53] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-127, var_1_11=-127, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L54] COND TRUE var_1_4 >= (var_1_3 * (var_1_13 + var_1_14)) [L55] var_1_12 = (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L59] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L60] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-4, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L67] COND FALSE !(\read(var_1_19)) [L70] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L72] unsigned char stepLocal_0 = var_1_12 > var_1_12; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L73] COND TRUE var_1_19 || stepLocal_0 [L74] var_1_1 = (var_1_17 + var_1_17) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L78] signed long int stepLocal_3 = var_1_22 + var_1_11; [L79] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-127, stepLocal_3=16256, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L80] COND FALSE !(\read(var_1_20)) [L93] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-127, stepLocal_3=16256, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L147] RET step() [L148] CALL, EXPR property() [L137-L138] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-127, var_1_11=-127, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=16383, var_1_22=16383, var_1_23=127, var_1_25=-127, var_1_7=16383, var_1_8=8378, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 610 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 318 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=3, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 06:52:48,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-15.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8157cb237436bd29af2df5955b9d90f1a5cf7c75dcb1a04661096b181d8b2711 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:52:50,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:52:50,447 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 06:52:50,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:52:50,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:52:50,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:52:50,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:52:50,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:52:50,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:52:50,492 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:52:50,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:52:50,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:52:50,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:52:50,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:52:50,494 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:52:50,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:52:50,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:52:50,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:52:50,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:52:50,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:52:50,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:52:50,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:52:50,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:52:50,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 06:52:50,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 06:52:50,503 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:52:50,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 06:52:50,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:52:50,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:52:50,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:52:50,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:52:50,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:52:50,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:52:50,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:52:50,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:52:50,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:52:50,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:52:50,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:52:50,505 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 06:52:50,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 06:52:50,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:52:50,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:52:50,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:52:50,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:52:50,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8157cb237436bd29af2df5955b9d90f1a5cf7c75dcb1a04661096b181d8b2711 [2024-11-20 06:52:50,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:52:50,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:52:50,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:52:50,900 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:52:50,900 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:52:50,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:52,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:52:52,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:52:52,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:52,724 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c88cb81d/011b22d8446f4df8bddc37390e548784/FLAG2d0fdaaa7 [2024-11-20 06:52:52,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c88cb81d/011b22d8446f4df8bddc37390e548784 [2024-11-20 06:52:52,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:52:52,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:52:52,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:52:52,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:52:52,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:52:52,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:52" (1/1) ... [2024-11-20 06:52:52,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1036f51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:52, skipping insertion in model container [2024-11-20 06:52:52,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:52" (1/1) ... [2024-11-20 06:52:52,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:52:52,982 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_50-1loop_file-15.i[915,928] [2024-11-20 06:52:53,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:52:53,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:52:53,095 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_50-1loop_file-15.i[915,928] [2024-11-20 06:52:53,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:52:53,156 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:52:53,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53 WrapperNode [2024-11-20 06:52:53,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:52:53,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:52:53,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:52:53,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:52:53,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,230 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-20 06:52:53,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:52:53,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:52:53,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:52:53,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:52:53,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,268 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 06:52:53,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:52:53,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:52:53,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:52:53,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:52:53,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (1/1) ... [2024-11-20 06:52:53,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:52:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:52:53,333 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 06:52:53,340 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 06:52:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:52:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 06:52:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:52:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:52:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:52:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:52:53,465 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:52:53,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:52:56,983 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-20 06:52:56,983 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:52:57,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:52:57,000 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:52:57,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:57 BoogieIcfgContainer [2024-11-20 06:52:57,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:52:57,005 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:52:57,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:52:57,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:52:57,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:52:52" (1/3) ... [2024-11-20 06:52:57,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de1c5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:57, skipping insertion in model container [2024-11-20 06:52:57,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:53" (2/3) ... [2024-11-20 06:52:57,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de1c5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:57, skipping insertion in model container [2024-11-20 06:52:57,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:57" (3/3) ... [2024-11-20 06:52:57,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-15.i [2024-11-20 06:52:57,029 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:52:57,037 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:52:57,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:52:57,100 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;@73ee7f05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:52:57,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:52:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 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 06:52:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 06:52:57,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:57,115 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:57,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:57,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:57,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1390071704, now seen corresponding path program 1 times [2024-11-20 06:52:57,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:52:57,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735753376] [2024-11-20 06:52:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:57,134 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 06:52:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:52:57,138 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 06:52:57,140 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 06:52:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:57,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 06:52:57,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:52:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-20 06:52:57,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 06:52:57,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:52:57,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735753376] [2024-11-20 06:52:57,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735753376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:52:57,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:52:57,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:52:57,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561455542] [2024-11-20 06:52:57,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:52:57,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:52:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:52:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:52:57,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:52:57,712 INFO L87 Difference]: Start difference. First operand has 68 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 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 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 06:52:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:52:57,744 INFO L93 Difference]: Finished difference Result 133 states and 219 transitions. [2024-11-20 06:52:57,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:52:57,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 132 [2024-11-20 06:52:57,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:52:57,756 INFO L225 Difference]: With dead ends: 133 [2024-11-20 06:52:57,756 INFO L226 Difference]: Without dead ends: 64 [2024-11-20 06:52:57,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 06:52:57,767 INFO L432 NwaCegarLoop]: 98 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, 98 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 06:52:57,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:52:57,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-20 06:52:57,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-20 06:52:57,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-20 06:52:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-20 06:52:57,826 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 132 [2024-11-20 06:52:57,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:52:57,827 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-20 06:52:57,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 06:52:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-20 06:52:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-20 06:52:57,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:52:57,832 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:52:57,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 06:52:58,034 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 06:52:58,034 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:52:58,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:52:58,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1653616356, now seen corresponding path program 1 times [2024-11-20 06:52:58,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:52:58,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106575116] [2024-11-20 06:52:58,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:52:58,037 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 06:52:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:52:58,039 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 06:52:58,040 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 06:52:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:52:58,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 06:52:58,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:52:59,576 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 06:52:59,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 06:52:59,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:52:59,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106575116] [2024-11-20 06:52:59,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106575116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:52:59,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:52:59,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:52:59,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642773260] [2024-11-20 06:52:59,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:52:59,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:52:59,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:52:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:52:59,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:52:59,583 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:53:01,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:02,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:02,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:53:02,772 INFO L93 Difference]: Finished difference Result 187 states and 277 transitions. [2024-11-20 06:53:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:53:02,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-11-20 06:53:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:53:02,793 INFO L225 Difference]: With dead ends: 187 [2024-11-20 06:53:02,793 INFO L226 Difference]: Without dead ends: 126 [2024-11-20 06:53:02,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:53:02,795 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 55 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:53:02,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 257 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-20 06:53:02,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-20 06:53:02,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 104. [2024-11-20 06:53:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:53:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2024-11-20 06:53:02,836 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 132 [2024-11-20 06:53:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:53:02,839 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2024-11-20 06:53:02,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:53:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2024-11-20 06:53:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 06:53:02,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:53:02,842 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:53:02,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 06:53:03,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:53:03,043 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:53:03,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:53:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1318450116, now seen corresponding path program 1 times [2024-11-20 06:53:03,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:53:03,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004001711] [2024-11-20 06:53:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:53:03,045 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 06:53:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:53:03,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:53:03,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 06:53:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:53:03,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 06:53:03,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:53:05,485 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 06:53:05,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 06:53:05,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:53:05,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004001711] [2024-11-20 06:53:05,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004001711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:53:05,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:53:05,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:53:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311570753] [2024-11-20 06:53:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:53:05,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 06:53:05,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:53:05,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 06:53:05,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 06:53:05,488 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:53:09,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-20 06:53:11,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:20,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-20 06:53:22,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-20 06:53:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:53:22,384 INFO L93 Difference]: Finished difference Result 226 states and 335 transitions. [2024-11-20 06:53:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 06:53:22,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-11-20 06:53:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:53:22,402 INFO L225 Difference]: With dead ends: 226 [2024-11-20 06:53:22,402 INFO L226 Difference]: Without dead ends: 165 [2024-11-20 06:53:22,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:53:22,404 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 81 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:53:22,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 235 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2024-11-20 06:53:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-20 06:53:22,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 106. [2024-11-20 06:53:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 63 states have internal predecessors, (75), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:53:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-11-20 06:53:22,442 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 133 [2024-11-20 06:53:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:53:22,443 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-11-20 06:53:22,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-20 06:53:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-11-20 06:53:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-20 06:53:22,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:53:22,448 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:53:22,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-20 06:53:22,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:53:22,649 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:53:22,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:53:22,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1576615554, now seen corresponding path program 1 times [2024-11-20 06:53:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:53:22,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033311299] [2024-11-20 06:53:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:53:22,651 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 06:53:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:53:22,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:53:22,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-20 06:53:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:53:22,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 06:53:22,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:53:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 336 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-20 06:53:23,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:53:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-20 06:53:24,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:53:24,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033311299] [2024-11-20 06:53:24,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033311299] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:53:24,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 06:53:24,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-20 06:53:24,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775657087] [2024-11-20 06:53:24,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 06:53:24,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 06:53:24,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:53:24,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 06:53:24,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:53:24,474 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-20 06:53:27,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:30,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:53:31,302 INFO L93 Difference]: Finished difference Result 246 states and 351 transitions. [2024-11-20 06:53:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 06:53:31,319 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 133 [2024-11-20 06:53:31,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:53:31,321 INFO L225 Difference]: With dead ends: 246 [2024-11-20 06:53:31,322 INFO L226 Difference]: Without dead ends: 183 [2024-11-20 06:53:31,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-20 06:53:31,327 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 231 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:53:31,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 271 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-20 06:53:31,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-20 06:53:31,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 112. [2024-11-20 06:53:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:53:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-20 06:53:31,381 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 133 [2024-11-20 06:53:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:53:31,382 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-20 06:53:31,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-20 06:53:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-20 06:53:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 06:53:31,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:53:31,387 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:53:31,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-20 06:53:31,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:53:31,588 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:53:31,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:53:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1027396628, now seen corresponding path program 1 times [2024-11-20 06:53:31,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:53:31,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085174489] [2024-11-20 06:53:31,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:53:31,590 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 06:53:31,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:53:31,593 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:53:31,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-20 06:53:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:53:31,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 06:53:31,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:53:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-20 06:53:32,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:53:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-20 06:53:32,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:53:32,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085174489] [2024-11-20 06:53:32,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085174489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:53:32,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 06:53:32,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-20 06:53:32,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564726543] [2024-11-20 06:53:32,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 06:53:32,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:53:32,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:53:32,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:53:32,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:53:32,448 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 06:53:34,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:53:34,859 INFO L93 Difference]: Finished difference Result 190 states and 259 transitions. [2024-11-20 06:53:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:53:34,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-11-20 06:53:34,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:53:34,879 INFO L225 Difference]: With dead ends: 190 [2024-11-20 06:53:34,879 INFO L226 Difference]: Without dead ends: 125 [2024-11-20 06:53:34,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-20 06:53:34,881 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 81 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-20 06:53:34,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 154 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-20 06:53:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-20 06:53:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2024-11-20 06:53:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.0714285714285714) internal successors, (75), 70 states have internal predecessors, (75), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:53:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 155 transitions. [2024-11-20 06:53:34,905 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 155 transitions. Word has length 134 [2024-11-20 06:53:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:53:34,906 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 155 transitions. [2024-11-20 06:53:34,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 06:53:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 155 transitions. [2024-11-20 06:53:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 06:53:34,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:53:34,908 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:53:34,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-20 06:53:35,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:53:35,109 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:53:35,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:53:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash -740365268, now seen corresponding path program 1 times [2024-11-20 06:53:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:53:35,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748190095] [2024-11-20 06:53:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:53:35,110 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 06:53:35,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:53:35,112 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:53:35,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-20 06:53:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:53:35,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 06:53:35,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:53:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-11-20 06:53:35,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:53:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-20 06:53:36,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 06:53:36,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748190095] [2024-11-20 06:53:36,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748190095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:53:36,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 06:53:36,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-20 06:53:36,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334185716] [2024-11-20 06:53:36,131 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 06:53:36,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:53:36,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 06:53:36,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:53:36,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:53:36,133 INFO L87 Difference]: Start difference. First operand 117 states and 155 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 06:53:39,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-20 06:53:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:53:39,811 INFO L93 Difference]: Finished difference Result 191 states and 250 transitions. [2024-11-20 06:53:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 06:53:39,829 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-11-20 06:53:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:53:39,831 INFO L225 Difference]: With dead ends: 191 [2024-11-20 06:53:39,831 INFO L226 Difference]: Without dead ends: 125 [2024-11-20 06:53:39,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-20 06:53:39,833 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 111 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:53:39,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 153 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-20 06:53:39,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-20 06:53:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2024-11-20 06:53:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 70 states have internal predecessors, (74), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-20 06:53:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 154 transitions. [2024-11-20 06:53:39,860 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 154 transitions. Word has length 134 [2024-11-20 06:53:39,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:53:39,861 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 154 transitions. [2024-11-20 06:53:39,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 06:53:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2024-11-20 06:53:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-20 06:53:39,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:53:39,864 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:53:39,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-20 06:53:40,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 06:53:40,065 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:53:40,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:53:40,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1034642094, now seen corresponding path program 1 times [2024-11-20 06:53:40,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 06:53:40,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931067982] [2024-11-20 06:53:40,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:53:40,066 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 06:53:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 06:53:40,067 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 06:53:40,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-20 06:53:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:53:40,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 06:53:40,361 INFO L278 TraceCheckSpWp]: Computing forward predicates...