./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.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 f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:26:21,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:26:21,875 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 12:26:21,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:26:21,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:26:21,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:26:21,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:26:21,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:26:21,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:26:21,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:26:21,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:26:21,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:26:21,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:26:21,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:26:21,925 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:26:21,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:26:21,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:26:21,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:26:21,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:26:21,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:26:21,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:26:21,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:26:21,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:26:21,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:26:21,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:26:21,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:26:21,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 12:26:21,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 12:26:21,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:26:21,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:26:21,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:26:21,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:26:21,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc [2024-11-22 12:26:22,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:26:22,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:26:22,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:26:22,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:26:22,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:26:22,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:23,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:26:23,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:26:23,551 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:23,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe873979d/57cb9c5ceb86405fb118296e2bee85a8/FLAG7fdd543f1 [2024-11-22 12:26:23,972 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe873979d/57cb9c5ceb86405fb118296e2bee85a8 [2024-11-22 12:26:23,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:26:23,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:26:23,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:26:23,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:26:23,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:26:23,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:23" (1/1) ... [2024-11-22 12:26:23,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49464c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:23, skipping insertion in model container [2024-11-22 12:26:23,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:23" (1/1) ... [2024-11-22 12:26:24,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:26:24,212 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_variablewrapping_normal_file-73.i[913,926] [2024-11-22 12:26:24,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:26:24,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:26:24,265 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_variablewrapping_normal_file-73.i[913,926] [2024-11-22 12:26:24,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:26:24,309 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:26:24,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24 WrapperNode [2024-11-22 12:26:24,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:26:24,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:26:24,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:26:24,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:26:24,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,344 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-22 12:26:24,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:26:24,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:26:24,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:26:24,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:26:24,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,368 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]. [2024-11-22 12:26:24,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:26:24,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:26:24,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:26:24,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:26:24,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (1/1) ... [2024-11-22 12:26:24,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:26:24,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:26:24,421 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) [2024-11-22 12:26:24,430 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 [2024-11-22 12:26:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:26:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:26:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:26:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 12:26:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:26:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:26:24,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:26:24,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:26:24,724 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-22 12:26:24,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:26:24,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:26:24,738 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:26:24,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:26:24 BoogieIcfgContainer [2024-11-22 12:26:24,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:26:24,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:26:24,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:26:24,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:26:24,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:26:23" (1/3) ... [2024-11-22 12:26:24,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ee0311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:26:24, skipping insertion in model container [2024-11-22 12:26:24,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24" (2/3) ... [2024-11-22 12:26:24,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ee0311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:26:24, skipping insertion in model container [2024-11-22 12:26:24,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:26:24" (3/3) ... [2024-11-22 12:26:24,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:24,765 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:26:24,765 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:26:24,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:26:24,822 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;@4fc6b74e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:26:24,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:26:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 12:26:24,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:24,837 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:24,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:24,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:24,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1189945737, now seen corresponding path program 1 times [2024-11-22 12:26:24,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:26:24,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300139315] [2024-11-22 12:26:24,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:26:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-22 12:26:25,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:26:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300139315] [2024-11-22 12:26:25,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300139315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 12:26:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700915945] [2024-11-22 12:26:25,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 12:26:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:26:25,075 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) [2024-11-22 12:26:25,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 12:26:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:25,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:26:25,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:26:25,206 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-22 12:26:25,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:26:25,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700915945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:25,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 12:26:25,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 12:26:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540728004] [2024-11-22 12:26:25,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:25,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:26:25,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:26:25,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:26:25,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:26:25,233 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 12:26:25,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:25,253 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-11-22 12:26:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:26:25,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-11-22 12:26:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:25,264 INFO L225 Difference]: With dead ends: 99 [2024-11-22 12:26:25,267 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 12:26:25,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:26:25,274 INFO L432 NwaCegarLoop]: 70 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, 70 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 [2024-11-22 12:26:25,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:26:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 12:26:25,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 12:26:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-22 12:26:25,332 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 99 [2024-11-22 12:26:25,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:25,332 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-22 12:26:25,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 12:26:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-11-22 12:26:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 12:26:25,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:25,339 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:25,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 12:26:25,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 12:26:25,541 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:25,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:25,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1752879759, now seen corresponding path program 1 times [2024-11-22 12:26:25,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:26:25,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625187374] [2024-11-22 12:26:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:26:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 12:26:25,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:26:25,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625187374] [2024-11-22 12:26:25,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625187374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:25,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:26:25,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 12:26:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818989776] [2024-11-22 12:26:25,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:25,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 12:26:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:26:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 12:26:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:26:25,927 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:26,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:26,016 INFO L93 Difference]: Finished difference Result 128 states and 186 transitions. [2024-11-22 12:26:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 12:26:26,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-22 12:26:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:26,019 INFO L225 Difference]: With dead ends: 128 [2024-11-22 12:26:26,019 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 12:26:26,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:26:26,020 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 63 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:26:26,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 190 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 12:26:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 12:26:26,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2024-11-22 12:26:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-11-22 12:26:26,027 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 99 [2024-11-22 12:26:26,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:26,029 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-22 12:26:26,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-22 12:26:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 12:26:26,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:26,030 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:26,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 12:26:26,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:26,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:26,031 INFO L85 PathProgramCache]: Analyzing trace with hash -207710709, now seen corresponding path program 1 times [2024-11-22 12:26:26,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:26:26,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886939010] [2024-11-22 12:26:26,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:26,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:26:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 12:26:26,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 12:26:26,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886939010] [2024-11-22 12:26:26,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886939010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:26,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:26:26,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:26:26,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688665222] [2024-11-22 12:26:26,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:26,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:26:26,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 12:26:26,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:26:26,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:26:26,117 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:26,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:26,141 INFO L93 Difference]: Finished difference Result 110 states and 153 transitions. [2024-11-22 12:26:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:26:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-22 12:26:26,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:26,144 INFO L225 Difference]: With dead ends: 110 [2024-11-22 12:26:26,144 INFO L226 Difference]: Without dead ends: 64 [2024-11-22 12:26:26,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:26:26,146 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:26:26,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 123 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:26:26,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-22 12:26:26,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2024-11-22 12:26:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2024-11-22 12:26:26,156 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 100 [2024-11-22 12:26:26,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:26,156 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2024-11-22 12:26:26,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2024-11-22 12:26:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 12:26:26,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:26,158 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:26,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 12:26:26,158 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:26,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:26,158 INFO L85 PathProgramCache]: Analyzing trace with hash -150452407, now seen corresponding path program 1 times [2024-11-22 12:26:26,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 12:26:26,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117331655] [2024-11-22 12:26:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:26,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 12:26:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:26:26,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 12:26:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 12:26:26,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 12:26:26,300 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 12:26:26,301 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 12:26:26,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 12:26:26,306 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-22 12:26:26,362 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 12:26:26,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:26:26 BoogieIcfgContainer [2024-11-22 12:26:26,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 12:26:26,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 12:26:26,365 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 12:26:26,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 12:26:26,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:26:24" (3/4) ... [2024-11-22 12:26:26,368 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 12:26:26,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 12:26:26,369 INFO L158 Benchmark]: Toolchain (without parser) took 2392.29ms. Allocated memory is still 209.7MB. Free memory was 180.1MB in the beginning and 79.2MB in the end (delta: 100.9MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,369 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 12:26:26,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.18ms. Allocated memory is still 209.7MB. Free memory was 179.9MB in the beginning and 171.2MB in the end (delta: 8.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 209.7MB. Free memory was 171.2MB in the beginning and 168.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,370 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 209.7MB. Free memory was 168.2MB in the beginning and 163.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,370 INFO L158 Benchmark]: RCFGBuilder took 351.34ms. Allocated memory is still 209.7MB. Free memory was 163.9MB in the beginning and 147.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,371 INFO L158 Benchmark]: TraceAbstraction took 1624.48ms. Allocated memory is still 209.7MB. Free memory was 146.9MB in the beginning and 79.2MB in the end (delta: 67.7MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2024-11-22 12:26:26,371 INFO L158 Benchmark]: Witness Printer took 3.24ms. Allocated memory is still 209.7MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 12:26:26,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.18ms. Allocated memory is still 209.7MB. Free memory was 179.9MB in the beginning and 171.2MB in the end (delta: 8.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 209.7MB. Free memory was 171.2MB in the beginning and 168.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 209.7MB. Free memory was 168.2MB in the beginning and 163.9MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 351.34ms. Allocated memory is still 209.7MB. Free memory was 163.9MB in the beginning and 147.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.48ms. Allocated memory is still 209.7MB. Free memory was 146.9MB in the beginning and 79.2MB in the end (delta: 67.7MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Witness Printer took 3.24ms. Allocated memory is still 209.7MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 24. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.5; [L23] unsigned char var_1_6 = 1; [L24] double var_1_7 = -0.41; [L25] unsigned char var_1_8 = 25; [L26] unsigned char var_1_9 = 100; [L27] unsigned char var_1_10 = 1; [L28] float var_1_12 = 15.75; [L29] float var_1_13 = 1.6; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] float var_1_16 = 16.5; [L33] signed char var_1_17 = 10; [L34] signed char var_1_18 = -10; [L35] signed long int var_1_19 = -16; [L36] float last_1_var_1_12 = 15.75; VAL [isInitial=0, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_8=25, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L75] var_1_7 = __VERIFIER_nondet_double() [L76] 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, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L76] 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, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=100] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25] [L79] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=1, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L81] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L82] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_13=8/5, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L84] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=0, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L86] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L87] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=0, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L90] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_16=33/2, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L93] var_1_18 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L94] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L95] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L95] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=25, var_1_9=0] [L109] RET updateVariables() [L110] CALL step() [L40] COND TRUE \read(var_1_6) [L41] var_1_8 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=-16, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L47] var_1_19 = var_1_8 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=63/4, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L48] COND FALSE !(var_1_19 > var_1_9) [L59] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L61] signed long int stepLocal_0 = (((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))); VAL [isInitial=1, last_1_var_1_12=63/4, stepLocal_0=0, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L62] COND TRUE var_1_8 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=11/2, var_1_6=1, var_1_8=0, var_1_9=0] [L63] COND FALSE !(! var_1_6) [L66] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=10, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L69] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return (((((var_1_8 <= ((((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))))) ? ((! var_1_6) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) var_1_7))) : 1) && (var_1_6 ? (var_1_8 == ((unsigned char) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : ((last_1_var_1_12 < (last_1_var_1_12 + var_1_7)) ? (var_1_8 == ((unsigned char) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1))) && ((var_1_19 > var_1_9) ? (var_1_6 ? (var_1_12 == ((float) (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((var_1_14 && var_1_15) ? (var_1_12 == ((float) (var_1_13 - var_1_16))) : (var_1_12 == ((float) var_1_16)))) : (var_1_12 == ((float) var_1_13)))) && (var_1_17 == ((signed char) var_1_18))) && (var_1_19 == ((signed long int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=63/4, var_1_10=0, var_1_12=106, var_1_13=106, var_1_14=1, var_1_15=1, var_1_17=-127, var_1_18=-127, var_1_19=0, var_1_1=105, var_1_6=1, var_1_7=105, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 249 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1652/1680 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 [2024-11-22 12:26:26,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.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 f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 12:26:28,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 12:26:28,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 12:26:28,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 12:26:28,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 12:26:28,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 12:26:28,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 12:26:28,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 12:26:28,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 12:26:28,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 12:26:28,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 12:26:28,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 12:26:28,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 12:26:28,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 12:26:28,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 12:26:28,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 12:26:28,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 12:26:28,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 12:26:28,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 12:26:28,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 12:26:28,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 12:26:28,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 12:26:28,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 12:26:28,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 12:26:28,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 12:26:28,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 12:26:28,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 12:26:28,411 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 12:26:28,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 12:26:28,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:26:28,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 12:26:28,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 12:26:28,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 12:26:28,414 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 12:26:28,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 12:26:28,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 12:26:28,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 12:26:28,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 12:26:28,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 12:26:28,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92f77375779269f33d6d08378e9440b45a9cd84382d3de78a8a10074b76e7bc [2024-11-22 12:26:28,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 12:26:28,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 12:26:28,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 12:26:28,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 12:26:28,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 12:26:28,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:29,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 12:26:30,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 12:26:30,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:30,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c67f6ce/5d374be15d334b54a7999247dc8c3343/FLAG6331b5ff8 [2024-11-22 12:26:30,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36c67f6ce/5d374be15d334b54a7999247dc8c3343 [2024-11-22 12:26:30,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 12:26:30,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 12:26:30,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 12:26:30,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 12:26:30,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 12:26:30,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457fd641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30, skipping insertion in model container [2024-11-22 12:26:30,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 12:26:30,708 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_variablewrapping_normal_file-73.i[913,926] [2024-11-22 12:26:30,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:26:30,764 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 12:26:30,773 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_variablewrapping_normal_file-73.i[913,926] [2024-11-22 12:26:30,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 12:26:30,810 INFO L204 MainTranslator]: Completed translation [2024-11-22 12:26:30,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30 WrapperNode [2024-11-22 12:26:30,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 12:26:30,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 12:26:30,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 12:26:30,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 12:26:30,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,848 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-22 12:26:30,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 12:26:30,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 12:26:30,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 12:26:30,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 12:26:30,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,875 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]. [2024-11-22 12:26:30,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 12:26:30,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 12:26:30,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 12:26:30,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 12:26:30,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (1/1) ... [2024-11-22 12:26:30,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 12:26:30,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 12:26:30,933 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) [2024-11-22 12:26:30,943 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 [2024-11-22 12:26:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 12:26:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 12:26:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 12:26:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 12:26:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 12:26:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 12:26:31,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 12:26:31,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 12:26:32,820 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-22 12:26:32,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 12:26:32,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 12:26:32,830 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 12:26:32,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:26:32 BoogieIcfgContainer [2024-11-22 12:26:32,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 12:26:32,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 12:26:32,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 12:26:32,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 12:26:32,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:26:30" (1/3) ... [2024-11-22 12:26:32,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b362e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:26:32, skipping insertion in model container [2024-11-22 12:26:32,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:30" (2/3) ... [2024-11-22 12:26:32,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b362e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:26:32, skipping insertion in model container [2024-11-22 12:26:32,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:26:32" (3/3) ... [2024-11-22 12:26:32,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-73.i [2024-11-22 12:26:32,848 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 12:26:32,848 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 12:26:32,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 12:26:32,898 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;@5ea8767c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 12:26:32,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 12:26:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 12:26:32,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:32,909 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:32,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:32,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1189945737, now seen corresponding path program 1 times [2024-11-22 12:26:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:26:32,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17041432] [2024-11-22 12:26:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:32,925 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 [2024-11-22 12:26:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:26:32,928 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) [2024-11-22 12:26:32,929 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 [2024-11-22 12:26:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:33,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 12:26:33,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:26:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-22 12:26:33,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:26:33,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:26:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [17041432] [2024-11-22 12:26:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [17041432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:33,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:26:33,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 12:26:33,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402276565] [2024-11-22 12:26:33,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:33,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 12:26:33,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:26:33,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 12:26:33,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:26:33,222 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 12:26:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:33,237 INFO L93 Difference]: Finished difference Result 99 states and 163 transitions. [2024-11-22 12:26:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 12:26:33,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-11-22 12:26:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:33,243 INFO L225 Difference]: With dead ends: 99 [2024-11-22 12:26:33,243 INFO L226 Difference]: Without dead ends: 49 [2024-11-22 12:26:33,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 12:26:33,248 INFO L432 NwaCegarLoop]: 70 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, 70 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 [2024-11-22 12:26:33,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 12:26:33,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-22 12:26:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-22 12:26:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:33,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-22 12:26:33,274 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 99 [2024-11-22 12:26:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:33,275 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-22 12:26:33,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 12:26:33,275 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-11-22 12:26:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 12:26:33,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:33,278 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:33,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 12:26:33,480 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 [2024-11-22 12:26:33,481 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:33,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:33,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1752879759, now seen corresponding path program 1 times [2024-11-22 12:26:33,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:26:33,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164602719] [2024-11-22 12:26:33,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:33,483 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 [2024-11-22 12:26:33,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:26:33,488 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) [2024-11-22 12:26:33,489 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 [2024-11-22 12:26:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:33,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 12:26:33,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:26:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 12:26:33,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:26:33,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:26:33,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164602719] [2024-11-22 12:26:33,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164602719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:33,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:26:33,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 12:26:33,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142659898] [2024-11-22 12:26:33,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:33,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 12:26:33,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:26:33,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 12:26:33,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 12:26:33,785 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:35,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:35,835 INFO L93 Difference]: Finished difference Result 128 states and 186 transitions. [2024-11-22 12:26:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 12:26:35,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-22 12:26:35,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:35,838 INFO L225 Difference]: With dead ends: 128 [2024-11-22 12:26:35,838 INFO L226 Difference]: Without dead ends: 82 [2024-11-22 12:26:35,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 12:26:35,840 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 62 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-22 12:26:35,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 234 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-22 12:26:35,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-22 12:26:35,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2024-11-22 12:26:35,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-11-22 12:26:35,848 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 99 [2024-11-22 12:26:35,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:35,849 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-22 12:26:35,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-22 12:26:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 12:26:35,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:35,851 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:35,859 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 [2024-11-22 12:26:36,055 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 [2024-11-22 12:26:36,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:36,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:36,056 INFO L85 PathProgramCache]: Analyzing trace with hash -207710709, now seen corresponding path program 1 times [2024-11-22 12:26:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:26:36,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766129039] [2024-11-22 12:26:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:36,057 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 [2024-11-22 12:26:36,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:26:36,062 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) [2024-11-22 12:26:36,067 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 [2024-11-22 12:26:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:36,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 12:26:36,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 12:26:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-22 12:26:36,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 12:26:36,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 12:26:36,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766129039] [2024-11-22 12:26:36,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766129039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 12:26:36,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 12:26:36,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 12:26:36,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298407856] [2024-11-22 12:26:36,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 12:26:36,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 12:26:36,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 12:26:36,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 12:26:36,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:26:36,262 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:37,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 12:26:37,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 12:26:37,360 INFO L93 Difference]: Finished difference Result 110 states and 153 transitions. [2024-11-22 12:26:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 12:26:37,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-22 12:26:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 12:26:37,379 INFO L225 Difference]: With dead ends: 110 [2024-11-22 12:26:37,379 INFO L226 Difference]: Without dead ends: 64 [2024-11-22 12:26:37,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 12:26:37,380 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 12:26:37,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 122 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 12:26:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-22 12:26:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 55. [2024-11-22 12:26:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 38 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 12:26:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2024-11-22 12:26:37,387 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 100 [2024-11-22 12:26:37,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 12:26:37,388 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2024-11-22 12:26:37,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-22 12:26:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2024-11-22 12:26:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 12:26:37,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 12:26:37,389 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 12:26:37,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-22 12:26:37,590 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 [2024-11-22 12:26:37,590 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 12:26:37,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 12:26:37,591 INFO L85 PathProgramCache]: Analyzing trace with hash -150452407, now seen corresponding path program 1 times [2024-11-22 12:26:37,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 12:26:37,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371542344] [2024-11-22 12:26:37,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 12:26:37,592 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 [2024-11-22 12:26:37,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 12:26:37,599 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) [2024-11-22 12:26:37,601 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 [2024-11-22 12:26:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 12:26:37,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 12:26:37,800 INFO L278 TraceCheckSpWp]: Computing forward predicates...