./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:13:10,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:13:10,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:13:10,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:13:10,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:13:11,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:13:11,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:13:11,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:13:11,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:13:11,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:13:11,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:13:11,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:13:11,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:13:11,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:13:11,033 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:13:11,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:13:11,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:13:11,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:13:11,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:13:11,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:13:11,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:13:11,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:13:11,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:13:11,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:13:11,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:13:11,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:13:11,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:13:11,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:13:11,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:13:11,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:13:11,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:13:11,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:13:11,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:11,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:13:11,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:13:11,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:13:11,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:13:11,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:13:11,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:13:11,044 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:13:11,044 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:13:11,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:13:11,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-11-12 01:13:11,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:13:11,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:13:11,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:13:11,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:13:11,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:13:11,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-12 01:13:12,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:13:13,027 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:13:13,029 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-12 01:13:13,038 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4eeba5/b33a44bf47254614a3f08e93b63eb6c2/FLAGe63c50d2e [2024-11-12 01:13:13,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92f4eeba5/b33a44bf47254614a3f08e93b63eb6c2 [2024-11-12 01:13:13,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:13:13,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:13:13,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:13,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:13:13,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:13:13,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61be50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13, skipping insertion in model container [2024-11-12 01:13:13,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:13:13,634 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_codestructure_normal_file-30.i[913,926] [2024-11-12 01:13:13,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:13,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:13:13,709 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_codestructure_normal_file-30.i[913,926] [2024-11-12 01:13:13,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:13,748 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:13:13,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13 WrapperNode [2024-11-12 01:13:13,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:13,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:13,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:13:13,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:13:13,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,791 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2024-11-12 01:13:13,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:13,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:13:13,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:13:13,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:13:13,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,804 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,819 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]. [2024-11-12 01:13:13,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:13:13,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:13:13,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:13:13,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:13:13,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (1/1) ... [2024-11-12 01:13:13,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:13,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:13:13,882 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) [2024-11-12 01:13:13,885 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 [2024-11-12 01:13:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:13:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:13:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:13:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:13:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:13:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:13:14,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:13:14,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:13:14,357 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 01:13:14,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:13:14,368 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:13:14,369 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:13:14,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:14 BoogieIcfgContainer [2024-11-12 01:13:14,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:13:14,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:13:14,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:13:14,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:13:14,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:13:13" (1/3) ... [2024-11-12 01:13:14,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02f6f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:14, skipping insertion in model container [2024-11-12 01:13:14,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:13" (2/3) ... [2024-11-12 01:13:14,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02f6f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:14, skipping insertion in model container [2024-11-12 01:13:14,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:14" (3/3) ... [2024-11-12 01:13:14,380 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-11-12 01:13:14,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:13:14,398 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:13:14,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:13:14,466 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;@1d8dd9b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:13:14,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:13:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 01:13:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-12 01:13:14,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:14,485 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:14,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:14,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash -947407318, now seen corresponding path program 1 times [2024-11-12 01:13:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:14,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37886213] [2024-11-12 01:13:14,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:14,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:13:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:13:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 01:13:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 01:13:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 01:13:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 01:13:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 01:13:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 01:13:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 01:13:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 01:13:14,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:14,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37886213] [2024-11-12 01:13:14,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37886213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:14,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:14,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:13:14,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253874220] [2024-11-12 01:13:14,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:14,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:13:14,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:14,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:13:14,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:14,957 INFO L87 Difference]: Start difference. First operand has 71 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 01:13:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:14,981 INFO L93 Difference]: Finished difference Result 135 states and 230 transitions. [2024-11-12 01:13:14,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:13:14,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2024-11-12 01:13:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:14,992 INFO L225 Difference]: With dead ends: 135 [2024-11-12 01:13:14,992 INFO L226 Difference]: Without dead ends: 67 [2024-11-12 01:13:14,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:14,999 INFO L435 NwaCegarLoop]: 102 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, 102 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 [2024-11-12 01:13:15,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:13:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-12 01:13:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-12 01:13:15,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 47 states have internal predecessors, (66), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 01:13:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 102 transitions. [2024-11-12 01:13:15,043 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 102 transitions. Word has length 121 [2024-11-12 01:13:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:15,043 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 102 transitions. [2024-11-12 01:13:15,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 01:13:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-11-12 01:13:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-12 01:13:15,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:15,048 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:15,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:13:15,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:15,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash -150365154, now seen corresponding path program 1 times [2024-11-12 01:13:15,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:15,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227199922] [2024-11-12 01:13:15,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:13:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:13:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 01:13:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 01:13:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 01:13:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 01:13:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 01:13:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 01:13:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 01:13:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-12 01:13:15,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:15,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227199922] [2024-11-12 01:13:15,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227199922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 01:13:15,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919917113] [2024-11-12 01:13:15,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:13:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:13:15,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 01:13:15,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 01:13:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:16,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 01:13:16,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:13:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-12 01:13:16,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:13:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-12 01:13:16,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919917113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:13:16,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 01:13:16,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-11-12 01:13:16,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973298713] [2024-11-12 01:13:16,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 01:13:16,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 01:13:16,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:16,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 01:13:16,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:13:16,720 INFO L87 Difference]: Start difference. First operand 67 states and 102 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-12 01:13:17,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:17,193 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2024-11-12 01:13:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 01:13:17,194 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 121 [2024-11-12 01:13:17,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:17,196 INFO L225 Difference]: With dead ends: 153 [2024-11-12 01:13:17,196 INFO L226 Difference]: Without dead ends: 89 [2024-11-12 01:13:17,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 271 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-12 01:13:17,200 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 222 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:17,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 260 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:13:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-12 01:13:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2024-11-12 01:13:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.271186440677966) internal successors, (75), 60 states have internal predecessors, (75), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 01:13:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2024-11-12 01:13:17,225 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 121 [2024-11-12 01:13:17,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:17,225 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2024-11-12 01:13:17,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-12 01:13:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2024-11-12 01:13:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-12 01:13:17,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:17,229 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:17,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 01:13:17,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 01:13:17,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:17,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:17,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1339975207, now seen corresponding path program 1 times [2024-11-12 01:13:17,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:17,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260641702] [2024-11-12 01:13:17,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:17,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 01:13:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 01:13:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-12 01:13:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-12 01:13:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-12 01:13:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-12 01:13:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 01:13:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 01:13:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 01:13:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 01:13:17,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:17,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260641702] [2024-11-12 01:13:17,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260641702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:17,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:17,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 01:13:17,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889921303] [2024-11-12 01:13:17,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:17,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 01:13:17,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:17,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 01:13:17,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:13:17,659 INFO L87 Difference]: Start difference. First operand 86 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 01:13:17,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:17,778 INFO L93 Difference]: Finished difference Result 214 states and 304 transitions. [2024-11-12 01:13:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 01:13:17,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 123 [2024-11-12 01:13:17,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:17,784 INFO L225 Difference]: With dead ends: 214 [2024-11-12 01:13:17,784 INFO L226 Difference]: Without dead ends: 142 [2024-11-12 01:13:17,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:13:17,786 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 108 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:17,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 225 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:13:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-12 01:13:17,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 99. [2024-11-12 01:13:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 73 states have internal predecessors, (96), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 01:13:17,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 140 transitions. [2024-11-12 01:13:17,809 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 140 transitions. Word has length 123 [2024-11-12 01:13:17,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:17,811 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 140 transitions. [2024-11-12 01:13:17,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 01:13:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2024-11-12 01:13:17,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-12 01:13:17,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:17,814 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:17,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:13:17,814 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:17,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash 318906853, now seen corresponding path program 1 times [2024-11-12 01:13:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:17,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454785701] [2024-11-12 01:13:17,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 01:13:17,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 01:13:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 01:13:17,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 01:13:17,960 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 01:13:17,961 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-12 01:13:17,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:13:17,966 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-12 01:13:18,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 01:13:18,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:13:18 BoogieIcfgContainer [2024-11-12 01:13:18,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 01:13:18,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 01:13:18,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 01:13:18,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 01:13:18,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:14" (3/4) ... [2024-11-12 01:13:18,079 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 01:13:18,081 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 01:13:18,081 INFO L158 Benchmark]: Toolchain (without parser) took 4669.06ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 126.3MB in the beginning and 161.4MB in the end (delta: -35.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,081 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 01:13:18,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.03ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 110.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.67ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,082 INFO L158 Benchmark]: Boogie Preprocessor took 42.43ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 105.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,082 INFO L158 Benchmark]: RCFGBuilder took 534.06ms. Allocated memory is still 184.5MB. Free memory was 105.9MB in the beginning and 87.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,083 INFO L158 Benchmark]: TraceAbstraction took 3701.09ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 86.7MB in the beginning and 162.5MB in the end (delta: -75.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 01:13:18,083 INFO L158 Benchmark]: Witness Printer took 6.30ms. Allocated memory is still 247.5MB. Free memory was 162.5MB in the beginning and 161.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 01:13:18,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 184.5MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.03ms. Allocated memory is still 184.5MB. Free memory was 125.9MB in the beginning and 110.8MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.67ms. Allocated memory is still 184.5MB. Free memory was 110.8MB in the beginning and 108.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.43ms. Allocated memory is still 184.5MB. Free memory was 108.7MB in the beginning and 105.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 534.06ms. Allocated memory is still 184.5MB. Free memory was 105.9MB in the beginning and 87.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3701.09ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 86.7MB in the beginning and 162.5MB in the end (delta: -75.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.30ms. Allocated memory is still 247.5MB. Free memory was 162.5MB in the beginning and 161.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryArithmeticDOUBLEoperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_2 = -256; [L24] signed long int var_1_3 = 256; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 127.5; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 10000000000000.125; [L29] double var_1_8 = 1.25; [L30] double var_1_9 = 4.125; [L31] double var_1_10 = 25.7; [L32] signed long int var_1_11 = -2; [L33] double var_1_12 = 49.75; [L34] signed long int var_1_13 = 5; [L35] signed long int var_1_14 = 128; [L36] signed long int var_1_15 = 1000; [L37] double var_1_16 = 0.2; [L38] double var_1_17 = 0.25; [L39] double var_1_18 = 99999999999999.5; VAL [isInitial=0, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=-256, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] FCALL updateLastVariables() [L135] CALL updateVariables() [L93] var_1_2 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_2 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L94] RET assume_abort_if_not(var_1_2 >= -32768) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] CALL assume_abort_if_not(var_1_2 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L95] RET assume_abort_if_not(var_1_2 <= 32767) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=256, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L96] var_1_3 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L97] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L98] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=0, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L99] var_1_4 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L100] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L101] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=0, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L104] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_7=80000000000001/8, var_1_8=5/4, var_1_9=33/8] [L105] var_1_7 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L106] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4, var_1_9=33/8] [L107] var_1_9 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L108] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=257/10, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L109] var_1_10 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=199/4, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L111] var_1_12 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L112] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L113] var_1_13 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L114] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L115] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L115] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L116] var_1_14 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L117] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L118] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L118] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L120] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L121] var_1_18 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L122] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L135] RET updateVariables() [L136] CALL step() [L43] COND FALSE !((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L46] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=255/2, var_1_6=1, var_1_8=5/4] [L47] COND FALSE !(var_1_2 >= var_1_3) [L52] var_1_5 = var_1_7 VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=5/4] [L55] COND FALSE !(10.55f < var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=5/4] [L60] COND TRUE var_1_5 > var_1_7 [L61] var_1_8 = var_1_10 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L66] COND TRUE \read(var_1_1) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-2, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L67] COND TRUE ((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12 [L68] var_1_11 = ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L73] EXPR var_1_3 & var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L73] COND FALSE !((- var_1_2) > (var_1_3 & var_1_13)) [L84] var_1_15 = var_1_13 VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_16=1/5, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L86] COND TRUE ((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7 [L87] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L127-L128] return (((((((var_1_2 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= var_1_3) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_2 >= var_1_3) ? ((var_1_6 || (var_1_2 < var_1_3)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_5) ? ((var_1_5 > (var_1_7 * var_1_9)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_5 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (var_1_1 ? ((((((var_1_9) > (49.75)) ? (var_1_9) : (49.75))) > var_1_12) ? (var_1_11 == ((signed long int) ((((var_1_2) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (var_1_2) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) var_1_2)))) && (((- var_1_2) > (var_1_3 & var_1_13)) ? ((var_1_2 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] [L19] reach_error() VAL [isInitial=1, var_1_10=100000000000004, var_1_11=-5, var_1_13=0, var_1_14=-5, var_1_15=0, var_1_1=1, var_1_2=17, var_1_3=18, var_1_4=1, var_1_5=100000000000005, var_1_6=1, var_1_7=100000000000005, var_1_8=100000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 587 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 295 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 22, 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, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 602 ConstructedInterpolants, 0 QuantifiedInterpolants, 1241 SizeOfPredicates, 1 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2910/3060 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 [2024-11-12 01:13:18,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.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 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:13:20,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:13:20,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-12 01:13:20,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:13:20,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:13:20,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:13:20,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:13:20,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:13:20,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:13:20,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:13:20,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:13:20,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:13:20,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:13:20,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:13:20,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:13:20,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:13:20,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:13:20,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:13:20,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:13:20,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:13:20,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:13:20,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:13:20,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:13:20,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 01:13:20,529 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 01:13:20,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:13:20,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 01:13:20,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:13:20,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:13:20,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:13:20,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:13:20,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:13:20,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:13:20,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:13:20,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:20,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:13:20,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:13:20,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:13:20,532 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 01:13:20,532 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 01:13:20,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:13:20,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:13:20,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:13:20,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:13:20,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552b13618f2386da274168de8e30ff0529ac5ed23541c18f07ea90cf7d0b9e92 [2024-11-12 01:13:20,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:13:20,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:13:20,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:13:20,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:13:20,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:13:20,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-12 01:13:22,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:13:22,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:13:22,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-30.i [2024-11-12 01:13:22,772 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0408a8603/e169a01138774862a07b0fa61fc3350d/FLAGe4608a675 [2024-11-12 01:13:22,788 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0408a8603/e169a01138774862a07b0fa61fc3350d [2024-11-12 01:13:22,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:13:22,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:13:22,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:22,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:13:22,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:13:22,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:22" (1/1) ... [2024-11-12 01:13:22,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1527f9b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:22, skipping insertion in model container [2024-11-12 01:13:22,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:22" (1/1) ... [2024-11-12 01:13:22,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:13:23,030 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_codestructure_normal_file-30.i[913,926] [2024-11-12 01:13:23,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:23,123 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:13:23,136 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_codestructure_normal_file-30.i[913,926] [2024-11-12 01:13:23,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:23,196 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:13:23,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23 WrapperNode [2024-11-12 01:13:23,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:23,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:23,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:13:23,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:13:23,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,264 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-12 01:13:23,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:23,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:13:23,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:13:23,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:13:23,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,284 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,303 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]. [2024-11-12 01:13:23,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:13:23,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:13:23,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:13:23,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:13:23,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (1/1) ... [2024-11-12 01:13:23,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:23,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:13:23,381 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) [2024-11-12 01:13:23,387 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 [2024-11-12 01:13:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:13:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 01:13:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:13:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:13:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:13:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:13:23,533 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:13:23,536 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:13:30,251 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-12 01:13:30,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:13:30,268 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:13:30,269 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:13:30,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:30 BoogieIcfgContainer [2024-11-12 01:13:30,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:13:30,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:13:30,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:13:30,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:13:30,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:13:22" (1/3) ... [2024-11-12 01:13:30,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9e7bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:30, skipping insertion in model container [2024-11-12 01:13:30,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:23" (2/3) ... [2024-11-12 01:13:30,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9e7bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:30, skipping insertion in model container [2024-11-12 01:13:30,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:30" (3/3) ... [2024-11-12 01:13:30,279 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-30.i [2024-11-12 01:13:30,297 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:13:30,297 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:13:30,356 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:13:30,363 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;@59f26d62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:13:30,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:13:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 01:13:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 01:13:30,381 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:30,382 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:30,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:30,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1661652894, now seen corresponding path program 1 times [2024-11-12 01:13:30,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:13:30,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858613249] [2024-11-12 01:13:30,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:30,407 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 [2024-11-12 01:13:30,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:13:30,412 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) [2024-11-12 01:13:30,413 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 [2024-11-12 01:13:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:30,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 01:13:30,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:13:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-12 01:13:30,928 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 01:13:30,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:13:30,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858613249] [2024-11-12 01:13:30,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858613249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:30,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:30,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:13:30,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940570831] [2024-11-12 01:13:30,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:30,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:13:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:13:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:13:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:30,968 INFO L87 Difference]: Start difference. First operand has 62 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 42 states have internal predecessors, (59), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 01:13:31,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:31,003 INFO L93 Difference]: Finished difference Result 117 states and 202 transitions. [2024-11-12 01:13:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:13:31,006 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2024-11-12 01:13:31,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:31,012 INFO L225 Difference]: With dead ends: 117 [2024-11-12 01:13:31,012 INFO L226 Difference]: Without dead ends: 58 [2024-11-12 01:13:31,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:31,019 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:31,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:13:31,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-12 01:13:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-12 01:13:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 01:13:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 88 transitions. [2024-11-12 01:13:31,061 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 88 transitions. Word has length 118 [2024-11-12 01:13:31,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:31,061 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 88 transitions. [2024-11-12 01:13:31,061 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-12 01:13:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-12 01:13:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 01:13:31,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:31,065 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:31,082 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 [2024-11-12 01:13:31,266 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 [2024-11-12 01:13:31,266 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:31,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash 448777770, now seen corresponding path program 1 times [2024-11-12 01:13:31,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:13:31,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686526434] [2024-11-12 01:13:31,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:31,268 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 [2024-11-12 01:13:31,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:13:31,271 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) [2024-11-12 01:13:31,272 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 [2024-11-12 01:13:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:31,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 01:13:31,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:13:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 248 proven. 72 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-12 01:13:34,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 01:13:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-12 01:13:35,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:13:35,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686526434] [2024-11-12 01:13:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686526434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 01:13:35,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 01:13:35,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-12 01:13:35,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48857205] [2024-11-12 01:13:35,633 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 01:13:35,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:13:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:13:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:13:35,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:13:35,637 INFO L87 Difference]: Start difference. First operand 58 states and 88 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-12 01:13:41,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:13:42,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:42,539 INFO L93 Difference]: Finished difference Result 133 states and 195 transitions. [2024-11-12 01:13:42,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 01:13:42,540 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 118 [2024-11-12 01:13:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:42,542 INFO L225 Difference]: With dead ends: 133 [2024-11-12 01:13:42,542 INFO L226 Difference]: Without dead ends: 78 [2024-11-12 01:13:42,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2024-11-12 01:13:42,544 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 166 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 96 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:42,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 209 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-12 01:13:42,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-12 01:13:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2024-11-12 01:13:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 48 states have internal predecessors, (58), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 01:13:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2024-11-12 01:13:42,559 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 118 [2024-11-12 01:13:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:42,560 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2024-11-12 01:13:42,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-12 01:13:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2024-11-12 01:13:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-12 01:13:42,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:42,562 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:42,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-12 01:13:42,763 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 [2024-11-12 01:13:42,764 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:42,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash 489199809, now seen corresponding path program 1 times [2024-11-12 01:13:42,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:13:42,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207914780] [2024-11-12 01:13:42,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:42,765 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 [2024-11-12 01:13:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:13:42,769 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) [2024-11-12 01:13:42,771 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 [2024-11-12 01:13:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:43,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 01:13:43,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:13:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-12 01:13:43,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 01:13:43,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 01:13:43,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207914780] [2024-11-12 01:13:43,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207914780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:43,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:13:43,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201252385] [2024-11-12 01:13:43,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:13:43,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 01:13:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:13:43,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:13:43,262 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 01:13:47,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:13:50,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:13:54,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:13:57,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:13:58,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:14:02,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:14:03,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:14:07,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-12 01:14:07,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:07,845 INFO L93 Difference]: Finished difference Result 177 states and 243 transitions. [2024-11-12 01:14:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:14:07,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2024-11-12 01:14:07,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:07,850 INFO L225 Difference]: With dead ends: 177 [2024-11-12 01:14:07,851 INFO L226 Difference]: Without dead ends: 114 [2024-11-12 01:14:07,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:14:07,853 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 44 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:07,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 175 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 24.6s Time] [2024-11-12 01:14:07,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-12 01:14:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-11-12 01:14:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 74 states have (on average 1.2432432432432432) internal successors, (92), 76 states have internal predecessors, (92), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 01:14:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 152 transitions. [2024-11-12 01:14:07,870 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 152 transitions. Word has length 120 [2024-11-12 01:14:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:07,870 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 152 transitions. [2024-11-12 01:14:07,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-12 01:14:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2024-11-12 01:14:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-12 01:14:07,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:07,873 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:07,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-12 01:14:08,073 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 [2024-11-12 01:14:08,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:08,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:08,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1169258179, now seen corresponding path program 1 times [2024-11-12 01:14:08,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 01:14:08,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054192650] [2024-11-12 01:14:08,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:08,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 01:14:08,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 01:14:08,079 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) [2024-11-12 01:14:08,082 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 [2024-11-12 01:14:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:08,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-12 01:14:08,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 01:14:28,128 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)