./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.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 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:02:25,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:02:25,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 11:02:25,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:02:25,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:02:25,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:02:25,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:02:25,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:02:25,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:02:25,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:02:25,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:02:25,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:02:25,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:02:25,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:02:25,205 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:02:25,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:02:25,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:02:25,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:02:25,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 11:02:25,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:02:25,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:02:25,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:02:25,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:02:25,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:02:25,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:02:25,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:02:25,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:02:25,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:02:25,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:02:25,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:02:25,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:02:25,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:02:25,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:02:25,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:02:25,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:02:25,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:02:25,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 11:02:25,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 11:02:25,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:02:25,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:02:25,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:02:25,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:02:25,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c [2024-10-24 11:02:25,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:02:25,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:02:25,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:02:25,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:02:25,458 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:02:25,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2024-10-24 11:02:26,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:02:26,970 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:02:26,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2024-10-24 11:02:26,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336143a17/fef7b1531f444326a2d00556f88e89b6/FLAGaaa76831b [2024-10-24 11:02:27,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336143a17/fef7b1531f444326a2d00556f88e89b6 [2024-10-24 11:02:27,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:02:27,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:02:27,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:02:27,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:02:27,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:02:27,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327cae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27, skipping insertion in model container [2024-10-24 11:02:27,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:02:27,548 WARN L248 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-16.i[913,926] [2024-10-24 11:02:27,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:02:27,597 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:02:27,606 WARN L248 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-16.i[913,926] [2024-10-24 11:02:27,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:02:27,632 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:02:27,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27 WrapperNode [2024-10-24 11:02:27,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:02:27,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:02:27,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:02:27,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:02:27,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,680 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-10-24 11:02:27,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:02:27,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:02:27,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:02:27,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:02:27,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,705 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]. [2024-10-24 11:02:27,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:02:27,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:02:27,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:02:27,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:02:27,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (1/1) ... [2024-10-24 11:02:27,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:02:27,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:02:27,767 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) [2024-10-24 11:02:27,769 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 [2024-10-24 11:02:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:02:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:02:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:02:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 11:02:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:02:27,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:02:27,866 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:02:27,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:02:28,035 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 11:02:28,036 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:02:28,075 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:02:28,075 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:02:28,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:28 BoogieIcfgContainer [2024-10-24 11:02:28,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:02:28,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:02:28,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:02:28,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:02:28,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:02:27" (1/3) ... [2024-10-24 11:02:28,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a767852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:02:28, skipping insertion in model container [2024-10-24 11:02:28,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:02:27" (2/3) ... [2024-10-24 11:02:28,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a767852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:02:28, skipping insertion in model container [2024-10-24 11:02:28,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:28" (3/3) ... [2024-10-24 11:02:28,083 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-16.i [2024-10-24 11:02:28,095 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:02:28,096 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:02:28,143 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:02:28,148 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;@412535c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:02:28,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:02:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 11:02:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 11:02:28,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:02:28,173 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:02:28,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:02:28,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:02:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2008695412, now seen corresponding path program 1 times [2024-10-24 11:02:28,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:02:28,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326061052] [2024-10-24 11:02:28,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:02:28,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:02:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:02:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 11:02:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 11:02:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 11:02:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 11:02:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 11:02:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 11:02:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 11:02:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 11:02:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:02:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:02:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:02:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 11:02:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 11:02:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 11:02:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 11:02:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:02:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:02:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 11:02:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 11:02:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 11:02:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 11:02:28,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:02:28,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326061052] [2024-10-24 11:02:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326061052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:02:28,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:02:28,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:02:28,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735454855] [2024-10-24 11:02:28,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:02:28,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:02:28,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:02:28,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:02:28,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:02:28,564 INFO L87 Difference]: Start difference. First operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 11:02:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:02:28,609 INFO L93 Difference]: Finished difference Result 101 states and 181 transitions. [2024-10-24 11:02:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:02:28,616 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 125 [2024-10-24 11:02:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:02:28,622 INFO L225 Difference]: With dead ends: 101 [2024-10-24 11:02:28,627 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 11:02:28,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:02:28,640 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 11:02:28,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 11:02:28,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 11:02:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 11:02:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 11:02:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2024-10-24 11:02:28,679 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 125 [2024-10-24 11:02:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:02:28,680 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2024-10-24 11:02:28,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-24 11:02:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2024-10-24 11:02:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 11:02:28,683 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:02:28,709 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:02:28,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 11:02:28,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:02:28,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:02:28,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1801212334, now seen corresponding path program 1 times [2024-10-24 11:02:28,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:02:28,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099112406] [2024-10-24 11:02:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:02:28,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:02:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 11:02:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 11:02:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 11:02:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 11:02:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 11:02:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 11:02:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 11:02:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-24 11:02:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 11:02:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 11:02:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 11:02:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 11:02:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 11:02:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 11:02:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 11:02:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 11:02:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 11:02:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 11:02:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 11:02:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 11:02:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 11:02:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 96 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-10-24 11:02:30,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 11:02:30,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099112406] [2024-10-24 11:02:30,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099112406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 11:02:30,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027418305] [2024-10-24 11:02:30,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:02:30,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 11:02:30,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:02:30,898 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) [2024-10-24 11:02:30,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 11:02:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:02:31,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 11:02:31,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:02:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 312 proven. 96 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-10-24 11:02:31,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 11:02:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027418305] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 11:02:59,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 11:02:59,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-10-24 11:02:59,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473427632] [2024-10-24 11:02:59,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 11:02:59,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 11:02:59,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 11:02:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 11:02:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=183, Unknown=1, NotChecked=0, Total=240 [2024-10-24 11:02:59,344 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-10-24 11:03:00,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:00,445 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2024-10-24 11:03:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 11:03:00,447 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 125 [2024-10-24 11:03:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:00,452 INFO L225 Difference]: With dead ends: 166 [2024-10-24 11:03:00,452 INFO L226 Difference]: Without dead ends: 117 [2024-10-24 11:03:00,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=186, Invalid=515, Unknown=1, NotChecked=0, Total=702 [2024-10-24 11:03:00,456 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 125 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:00,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 324 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 11:03:00,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-24 11:03:00,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2024-10-24 11:03:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-24 11:03:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-10-24 11:03:00,514 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 125 [2024-10-24 11:03:00,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:00,515 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-10-24 11:03:00,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 14 states have internal predecessors, (52), 5 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-10-24 11:03:00,515 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-10-24 11:03:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 11:03:00,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:00,518 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:00,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 11:03:00,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 11:03:00,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:00,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1684408336, now seen corresponding path program 1 times [2024-10-24 11:03:00,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 11:03:00,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578186876] [2024-10-24 11:03:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:00,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 11:03:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 11:03:00,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [39768113] [2024-10-24 11:03:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:00,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 11:03:00,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:03:00,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 11:03:00,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 11:03:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:03:00,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 11:03:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 11:03:00,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 11:03:00,964 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 11:03:00,965 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 11:03:00,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 11:03:01,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-24 11:03:01,170 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 11:03:01,257 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 11:03:01,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:03:01 BoogieIcfgContainer [2024-10-24 11:03:01,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 11:03:01,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 11:03:01,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 11:03:01,265 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 11:03:01,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:02:28" (3/4) ... [2024-10-24 11:03:01,270 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 11:03:01,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 11:03:01,271 INFO L158 Benchmark]: Toolchain (without parser) took 33916.03ms. Allocated memory was 188.7MB in the beginning and 482.3MB in the end (delta: 293.6MB). Free memory was 132.0MB in the beginning and 404.3MB in the end (delta: -272.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-10-24 11:03:01,272 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:03:01,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.19ms. Allocated memory is still 188.7MB. Free memory was 132.0MB in the beginning and 117.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 11:03:01,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.17ms. Allocated memory is still 188.7MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 11:03:01,272 INFO L158 Benchmark]: Boogie Preprocessor took 41.83ms. Allocated memory is still 188.7MB. Free memory was 115.7MB in the beginning and 113.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 11:03:01,272 INFO L158 Benchmark]: RCFGBuilder took 351.89ms. Allocated memory is still 188.7MB. Free memory was 112.7MB in the beginning and 93.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 11:03:01,273 INFO L158 Benchmark]: TraceAbstraction took 33186.98ms. Allocated memory was 188.7MB in the beginning and 482.3MB in the end (delta: 293.6MB). Free memory was 92.9MB in the beginning and 405.3MB in the end (delta: -312.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:03:01,273 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 482.3MB. Free memory was 405.3MB in the beginning and 404.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 11:03:01,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.19ms. Allocated memory is still 188.7MB. Free memory was 132.0MB in the beginning and 117.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.17ms. Allocated memory is still 188.7MB. Free memory was 117.8MB in the beginning and 115.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.83ms. Allocated memory is still 188.7MB. Free memory was 115.7MB in the beginning and 113.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 351.89ms. Allocated memory is still 188.7MB. Free memory was 112.7MB in the beginning and 93.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 33186.98ms. Allocated memory was 188.7MB in the beginning and 482.3MB in the end (delta: 293.6MB). Free memory was 92.9MB in the beginning and 405.3MB in the end (delta: -312.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 482.3MB. Free memory was 405.3MB in the beginning and 404.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_3 = 4; [L24] signed short int var_1_4 = 256; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 1; [L27] float var_1_7 = 1000000.8; [L28] float var_1_8 = 3.8; [L29] signed char var_1_9 = 25; [L30] float var_1_10 = 2.75; [L31] signed char var_1_11 = 0; [L32] signed char var_1_12 = 32; [L33] signed char var_1_13 = 2; [L34] signed char var_1_14 = 2; [L35] signed short int var_1_15 = -32; [L36] signed char last_1_var_1_9 = 25; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_9 = var_1_9 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_short() [L72] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L72] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L79] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L81] var_1_8 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L84] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L90] RET assume_abort_if_not(var_1_12 >= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L111] RET updateVariables() [L112] CALL step() [L40] COND FALSE !((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L43] var_1_7 = var_1_8 [L44] signed char stepLocal_2 = var_1_11; [L45] unsigned char stepLocal_1 = 99999.375 <= var_1_10; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L46] COND FALSE !(var_1_13 <= stepLocal_2) [L51] var_1_15 = -25 VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L53] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L54] COND FALSE !(var_1_8 < (var_1_7 / var_1_10)) VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) ? (var_1_1 == ((unsigned char) (var_1_5 || var_1_6))) : 1) && (var_1_7 == ((float) var_1_8))) && ((var_1_8 < (var_1_7 / var_1_10)) ? ((var_1_1 || var_1_6) ? (var_1_9 == ((signed char) ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14))) : ((var_1_10 > var_1_8) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_12)))) : 1)) && ((var_1_13 <= var_1_11) ? (((var_1_8 < var_1_7) && (99999.375 <= var_1_10)) ? (var_1_15 == ((signed short int) (var_1_13 + var_1_14))) : 1) : (var_1_15 == ((signed short int) -25))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=24, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.0s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 397 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 126 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 347 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 30.5s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 2614 SizeOfPredicates, 4 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2328/2520 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 [2024-10-24 11:03:01,499 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-10-24 11:03:01,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.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 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 11:03:03,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 11:03:03,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 11:03:03,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 11:03:03,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 11:03:03,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 11:03:03,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 11:03:03,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 11:03:03,455 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 11:03:03,456 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 11:03:03,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 11:03:03,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 11:03:03,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 11:03:03,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 11:03:03,457 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 11:03:03,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 11:03:03,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 11:03:03,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 11:03:03,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 11:03:03,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 11:03:03,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 11:03:03,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 11:03:03,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 11:03:03,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 11:03:03,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 11:03:03,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 11:03:03,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 11:03:03,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 11:03:03,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 11:03:03,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 11:03:03,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 11:03:03,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 11:03:03,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 11:03:03,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 11:03:03,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:03,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 11:03:03,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 11:03:03,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 11:03:03,474 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 11:03:03,474 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 11:03:03,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 11:03:03,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 11:03:03,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 11:03:03,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 11:03:03,478 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 11:03:03,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13c8c8fb2a848ec9a9bd5e56f712fb4656339c11d6a7907cbd93e2a606641c6c [2024-10-24 11:03:03,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 11:03:03,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 11:03:03,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 11:03:03,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 11:03:03,766 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 11:03:03,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2024-10-24 11:03:05,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 11:03:05,299 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 11:03:05,299 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-16.i [2024-10-24 11:03:05,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3436f3e/4a2421d54535473197ff8286c875c7c3/FLAG6429faa4a [2024-10-24 11:03:05,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3436f3e/4a2421d54535473197ff8286c875c7c3 [2024-10-24 11:03:05,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 11:03:05,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 11:03:05,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:05,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 11:03:05,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 11:03:05,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:05,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aad0dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05, skipping insertion in model container [2024-10-24 11:03:05,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:05,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 11:03:05,879 WARN L248 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-16.i[913,926] [2024-10-24 11:03:05,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:05,941 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 11:03:05,951 WARN L248 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-16.i[913,926] [2024-10-24 11:03:05,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 11:03:05,995 INFO L204 MainTranslator]: Completed translation [2024-10-24 11:03:05,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05 WrapperNode [2024-10-24 11:03:05,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 11:03:05,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:05,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 11:03:05,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 11:03:06,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,039 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-24 11:03:06,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 11:03:06,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 11:03:06,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 11:03:06,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 11:03:06,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,073 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]. [2024-10-24 11:03:06,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 11:03:06,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 11:03:06,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 11:03:06,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 11:03:06,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (1/1) ... [2024-10-24 11:03:06,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 11:03:06,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 11:03:06,123 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) [2024-10-24 11:03:06,125 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 [2024-10-24 11:03:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 11:03:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 11:03:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 11:03:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 11:03:06,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 11:03:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 11:03:06,242 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 11:03:06,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 11:03:07,797 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-24 11:03:07,801 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 11:03:07,854 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 11:03:07,854 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 11:03:07,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:07 BoogieIcfgContainer [2024-10-24 11:03:07,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 11:03:07,857 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 11:03:07,857 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 11:03:07,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 11:03:07,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:03:05" (1/3) ... [2024-10-24 11:03:07,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74de3255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:07, skipping insertion in model container [2024-10-24 11:03:07,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:05" (2/3) ... [2024-10-24 11:03:07,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74de3255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:07, skipping insertion in model container [2024-10-24 11:03:07,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:07" (3/3) ... [2024-10-24 11:03:07,863 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-16.i [2024-10-24 11:03:07,876 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 11:03:07,876 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 11:03:07,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 11:03:07,936 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;@61069350, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 11:03:07,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 11:03:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 11:03:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 11:03:07,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:07,953 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:07,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:07,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:07,959 INFO L85 PathProgramCache]: Analyzing trace with hash -2008695412, now seen corresponding path program 1 times [2024-10-24 11:03:07,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:03:07,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54963753] [2024-10-24 11:03:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:07,971 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 [2024-10-24 11:03:07,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:03:07,977 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) [2024-10-24 11:03:07,987 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 [2024-10-24 11:03:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:08,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 11:03:08,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:03:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-10-24 11:03:08,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 11:03:08,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 11:03:08,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54963753] [2024-10-24 11:03:08,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54963753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 11:03:08,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 11:03:08,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 11:03:08,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021239125] [2024-10-24 11:03:08,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 11:03:08,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 11:03:08,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 11:03:08,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 11:03:08,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:08,421 INFO L87 Difference]: Start difference. First operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 11:03:10,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 11:03:10,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 11:03:10,296 INFO L93 Difference]: Finished difference Result 101 states and 181 transitions. [2024-10-24 11:03:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 11:03:10,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2024-10-24 11:03:10,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 11:03:10,328 INFO L225 Difference]: With dead ends: 101 [2024-10-24 11:03:10,328 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 11:03:10,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 11:03:10,332 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 11:03:10,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 11:03:10,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 11:03:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 11:03:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 11:03:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 75 transitions. [2024-10-24 11:03:10,374 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 75 transitions. Word has length 125 [2024-10-24 11:03:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 11:03:10,375 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 75 transitions. [2024-10-24 11:03:10,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-24 11:03:10,376 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-10-24 11:03:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 11:03:10,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 11:03:10,381 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 11:03:10,394 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 [2024-10-24 11:03:10,584 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 [2024-10-24 11:03:10,586 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 11:03:10,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 11:03:10,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1684408336, now seen corresponding path program 1 times [2024-10-24 11:03:10,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 11:03:10,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104209244] [2024-10-24 11:03:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 11:03:10,591 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 [2024-10-24 11:03:10,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 11:03:10,594 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) [2024-10-24 11:03:10,595 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 [2024-10-24 11:03:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 11:03:10,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 11:03:10,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 11:03:39,685 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)