./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_codestructure_dependencies_file-30.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_codestructure_dependencies_file-30.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bba6fe534c9aa6f5b947893bcd1ae22b27f9acc258cbf077a1a813e9965f385 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:06:44,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:06:44,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:06:44,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:06:44,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:06:44,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:06:44,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:06:44,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:06:44,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:06:44,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:06:44,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:06:44,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:06:44,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:06:44,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:06:44,984 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:06:44,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:06:44,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:06:44,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:06:44,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:06:44,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:06:44,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:06:44,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:06:44,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:06:44,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:06:44,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:06:44,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:06:44,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:06:44,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:06:44,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:06:44,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:06:44,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:06:44,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:06:44,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:06:44,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:06:44,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:06:44,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:06:44,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:06:44,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:06:44,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:06:44,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:06:44,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:06:44,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:06:44,999 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bba6fe534c9aa6f5b947893bcd1ae22b27f9acc258cbf077a1a813e9965f385 [2024-10-24 05:06:45,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:06:45,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:06:45,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:06:45,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:06:45,313 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:06:45,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-30.i [2024-10-24 05:06:46,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:06:46,986 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:06:46,987 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-30.i [2024-10-24 05:06:46,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a3dd8c7/deea53e5a35f4851a4ecefcf1361bc69/FLAGab45290c6 [2024-10-24 05:06:47,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a3dd8c7/deea53e5a35f4851a4ecefcf1361bc69 [2024-10-24 05:06:47,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:06:47,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:06:47,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:06:47,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:06:47,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:06:47,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13866e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47, skipping insertion in model container [2024-10-24 05:06:47,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:06:47,546 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_codestructure_dependencies_file-30.i[919,932] [2024-10-24 05:06:47,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:06:47,604 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:06:47,617 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_codestructure_dependencies_file-30.i[919,932] [2024-10-24 05:06:47,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:06:47,658 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:06:47,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47 WrapperNode [2024-10-24 05:06:47,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:06:47,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:06:47,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:06:47,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:06:47,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,701 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-10-24 05:06:47,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:06:47,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:06:47,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:06:47,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:06:47,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,729 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 05:06:47,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:06:47,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:06:47,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:06:47,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:06:47,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (1/1) ... [2024-10-24 05:06:47,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:06:47,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:06:47,794 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 05:06:47,797 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 05:06:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:06:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:06:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:06:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:06:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:06:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:06:47,913 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:06:47,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:06:48,155 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-24 05:06:48,155 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:06:48,202 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:06:48,202 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:06:48,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:06:48 BoogieIcfgContainer [2024-10-24 05:06:48,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:06:48,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:06:48,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:06:48,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:06:48,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:06:47" (1/3) ... [2024-10-24 05:06:48,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ecdc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:06:48, skipping insertion in model container [2024-10-24 05:06:48,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:47" (2/3) ... [2024-10-24 05:06:48,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ecdc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:06:48, skipping insertion in model container [2024-10-24 05:06:48,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:06:48" (3/3) ... [2024-10-24 05:06:48,215 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-30.i [2024-10-24 05:06:48,236 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:06:48,237 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:06:48,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:06:48,362 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;@6b60de92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:06:48,363 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:06:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 40 states have internal predecessors, (62), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 05:06:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 05:06:48,378 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:06:48,380 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:48,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:06:48,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:06:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash -48400891, now seen corresponding path program 1 times [2024-10-24 05:06:48,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:06:48,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502825545] [2024-10-24 05:06:48,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:06:48,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:06:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:06:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:06:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:06:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 05:06:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 05:06:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 05:06:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 05:06:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 05:06:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 05:06:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 05:06:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 05:06:48,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:06:48,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502825545] [2024-10-24 05:06:48,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502825545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:06:48,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:06:48,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:06:48,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560814012] [2024-10-24 05:06:48,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:06:48,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:06:48,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:06:48,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:06:48,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:06:48,811 INFO L87 Difference]: Start difference. First operand has 52 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 40 states have internal predecessors, (62), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 05:06:48,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:06:48,857 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-10-24 05:06:48,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:06:48,862 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), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2024-10-24 05:06:48,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:06:48,870 INFO L225 Difference]: With dead ends: 101 [2024-10-24 05:06:48,870 INFO L226 Difference]: Without dead ends: 50 [2024-10-24 05:06:48,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 05:06:48,881 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 05:06:48,882 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 05:06:48,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-24 05:06:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-24 05:06:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 38 states have internal predecessors, (56), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 05:06:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2024-10-24 05:06:48,922 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 72 [2024-10-24 05:06:48,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:06:48,922 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2024-10-24 05:06:48,923 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), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 05:06:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2024-10-24 05:06:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 05:06:48,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:06:48,926 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:48,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:06:48,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:06:48,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:06:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash -714446003, now seen corresponding path program 1 times [2024-10-24 05:06:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:06:48,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577419568] [2024-10-24 05:06:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:06:48,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:06:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:06:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:06:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:06:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 05:06:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 05:06:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 05:06:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 05:06:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 05:06:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 05:06:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 05:06:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 05:06:49,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:06:49,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577419568] [2024-10-24 05:06:49,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577419568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:06:49,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:06:49,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 05:06:49,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357212961] [2024-10-24 05:06:49,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:06:49,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:06:49,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:06:49,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:06:49,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:06:49,372 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 05:06:49,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:06:49,544 INFO L93 Difference]: Finished difference Result 173 states and 265 transitions. [2024-10-24 05:06:49,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 05:06:49,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2024-10-24 05:06:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:06:49,547 INFO L225 Difference]: With dead ends: 173 [2024-10-24 05:06:49,547 INFO L226 Difference]: Without dead ends: 124 [2024-10-24 05:06:49,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:06:49,553 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 96 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 05:06:49,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 236 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 05:06:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-24 05:06:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2024-10-24 05:06:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 05:06:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 146 transitions. [2024-10-24 05:06:49,584 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 146 transitions. Word has length 72 [2024-10-24 05:06:49,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:06:49,585 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 146 transitions. [2024-10-24 05:06:49,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 05:06:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2024-10-24 05:06:49,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 05:06:49,590 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:06:49,590 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:49,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:06:49,591 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:06:49,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:06:49,592 INFO L85 PathProgramCache]: Analyzing trace with hash 57776950, now seen corresponding path program 1 times [2024-10-24 05:06:49,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:06:49,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781676234] [2024-10-24 05:06:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:06:49,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:06:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:06:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 05:06:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:06:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 05:06:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 05:06:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 05:06:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 05:06:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 05:06:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 05:06:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 05:06:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-24 05:06:50,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:06:50,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781676234] [2024-10-24 05:06:50,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781676234] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 05:06:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781647532] [2024-10-24 05:06:50,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:06:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 05:06:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:06:50,314 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 05:06:50,316 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 05:06:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:06:50,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 05:06:50,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:06:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 05:06:50,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 05:06:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-24 05:06:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781647532] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 05:06:50,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 05:06:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-10-24 05:06:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101877357] [2024-10-24 05:06:50,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 05:06:50,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 05:06:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:06:50,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 05:06:50,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-24 05:06:50,951 INFO L87 Difference]: Start difference. First operand 97 states and 146 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 05:06:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:06:51,308 INFO L93 Difference]: Finished difference Result 163 states and 234 transitions. [2024-10-24 05:06:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 05:06:51,312 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 73 [2024-10-24 05:06:51,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:06:51,314 INFO L225 Difference]: With dead ends: 163 [2024-10-24 05:06:51,314 INFO L226 Difference]: Without dead ends: 114 [2024-10-24 05:06:51,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 159 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2024-10-24 05:06:51,318 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 231 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 05:06:51,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 196 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 05:06:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-24 05:06:51,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-10-24 05:06:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 05:06:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 155 transitions. [2024-10-24 05:06:51,348 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 155 transitions. Word has length 73 [2024-10-24 05:06:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:06:51,349 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 155 transitions. [2024-10-24 05:06:51,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 05:06:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 155 transitions. [2024-10-24 05:06:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 05:06:51,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:06:51,351 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:51,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 05:06:51,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 05:06:51,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:06:51,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:06:51,553 INFO L85 PathProgramCache]: Analyzing trace with hash -978873461, now seen corresponding path program 1 times [2024-10-24 05:06:51,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:06:51,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852301463] [2024-10-24 05:06:51,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:06:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:06:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 05:06:51,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 05:06:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 05:06:51,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 05:06:51,666 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 05:06:51,668 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 05:06:51,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 05:06:51,677 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-24 05:06:51,765 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 05:06:51,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:06:51 BoogieIcfgContainer [2024-10-24 05:06:51,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 05:06:51,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 05:06:51,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 05:06:51,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 05:06:51,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:06:48" (3/4) ... [2024-10-24 05:06:51,777 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 05:06:51,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 05:06:51,779 INFO L158 Benchmark]: Toolchain (without parser) took 4439.57ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 84.1MB in the beginning and 155.3MB in the end (delta: -71.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 05:06:51,780 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 05:06:51,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.85ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 05:06:51,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.73ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 66.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 05:06:51,781 INFO L158 Benchmark]: Boogie Preprocessor took 42.17ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 05:06:51,781 INFO L158 Benchmark]: RCFGBuilder took 457.79ms. Allocated memory is still 138.4MB. Free memory was 64.2MB in the beginning and 45.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 05:06:51,781 INFO L158 Benchmark]: TraceAbstraction took 3568.12ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 44.9MB in the beginning and 155.3MB in the end (delta: -110.4MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-10-24 05:06:51,782 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 197.1MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 05:06:51,783 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.85ms. Allocated memory is still 138.4MB. Free memory was 83.6MB in the beginning and 69.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.73ms. Allocated memory is still 138.4MB. Free memory was 69.4MB in the beginning and 66.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.17ms. Allocated memory is still 138.4MB. Free memory was 66.8MB in the beginning and 64.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.79ms. Allocated memory is still 138.4MB. Free memory was 64.2MB in the beginning and 45.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3568.12ms. Allocated memory was 138.4MB in the beginning and 197.1MB in the end (delta: 58.7MB). Free memory was 44.9MB in the beginning and 155.3MB in the end (delta: -110.4MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 197.1MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] unsigned char last_1_var_1_1 = 1; [L36] signed long int last_1_var_1_11 = -2; [L37] signed long int last_1_var_1_15 = 1000; [L38] double last_1_var_1_16 = 0.2; [L121] isInitial = 1 [L122] FCALL initially() [L123] COND TRUE 1 [L124] CALL updateLastVariables() [L111] last_1_var_1_1 = var_1_1 [L112] last_1_var_1_11 = var_1_11 [L113] last_1_var_1_15 = var_1_15 [L114] last_1_var_1_16 = var_1_16 [L124] RET updateLastVariables() [L125] CALL updateVariables() [L92] var_1_4 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L93] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L94] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L94] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L95] var_1_7 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L96] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L97] var_1_10 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L98] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L99] var_1_13 = __VERIFIER_nondet_long() [L100] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L100] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L101] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L101] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L102] var_1_14 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L103] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L104] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L104] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L105] var_1_17 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L106] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L107] var_1_18 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L108] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L125] RET updateVariables() [L126] CALL step() [L42] COND TRUE \read(last_1_var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L43] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16 [L44] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=1, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L49] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11 [L50] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L52] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L53] COND TRUE var_1_11 >= var_1_11 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=255/2, var_1_8=5/4] [L54] COND TRUE var_1_1 || (var_1_11 < var_1_11) [L55] var_1_5 = var_1_7 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L61] EXPR var_1_11 & var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=1000, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L61] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13)) [L72] var_1_15 = var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_16=1/5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L74] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7 [L75] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L79] COND FALSE !(10.55f < var_1_16) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=5/4] [L84] COND TRUE var_1_16 > var_1_7 [L85] var_1_8 = var_1_10 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L126] RET step() [L127] CALL, EXPR property() [L117] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L117-L118] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000004, var_1_11=0, var_1_13=5, var_1_14=0, var_1_15=5, var_1_1=-255, var_1_4=-255, var_1_5=100000000000005, var_1_7=100000000000005, var_1_8=100000000000004] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 505 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 232 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 214 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=3, 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, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 1 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 798/900 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 05:06:51,822 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_codestructure_dependencies_file-30.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8bba6fe534c9aa6f5b947893bcd1ae22b27f9acc258cbf077a1a813e9965f385 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:06:54,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:06:54,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 05:06:54,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:06:54,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:06:54,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:06:54,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:06:54,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:06:54,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:06:54,145 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:06:54,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:06:54,146 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:06:54,146 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:06:54,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:06:54,147 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:06:54,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:06:54,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:06:54,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:06:54,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:06:54,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:06:54,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:06:54,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:06:54,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:06:54,154 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 05:06:54,155 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 05:06:54,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:06:54,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 05:06:54,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:06:54,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:06:54,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:06:54,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:06:54,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:06:54,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:06:54,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:06:54,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:06:54,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:06:54,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:06:54,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:06:54,160 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 05:06:54,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 05:06:54,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:06:54,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:06:54,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:06:54,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:06:54,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 05:06:54,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bba6fe534c9aa6f5b947893bcd1ae22b27f9acc258cbf077a1a813e9965f385 [2024-10-24 05:06:54,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:06:54,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:06:54,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:06:54,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:06:54,516 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:06:54,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-30.i [2024-10-24 05:06:56,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:06:56,286 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:06:56,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-30.i [2024-10-24 05:06:56,301 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b0951b9/544df0320b7140138bde71b34e7563d8/FLAG42f23960c [2024-10-24 05:06:56,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b0951b9/544df0320b7140138bde71b34e7563d8 [2024-10-24 05:06:56,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:06:56,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:06:56,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:06:56,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:06:56,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:06:56,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffc5dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56, skipping insertion in model container [2024-10-24 05:06:56,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:06:56,547 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_codestructure_dependencies_file-30.i[919,932] [2024-10-24 05:06:56,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:06:56,645 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:06:56,662 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_codestructure_dependencies_file-30.i[919,932] [2024-10-24 05:06:56,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:06:56,724 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:06:56,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56 WrapperNode [2024-10-24 05:06:56,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:06:56,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:06:56,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:06:56,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:06:56,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,788 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-10-24 05:06:56,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:06:56,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:06:56,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:06:56,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:06:56,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,841 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 05:06:56,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:06:56,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:06:56,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:06:56,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:06:56,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (1/1) ... [2024-10-24 05:06:56,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:06:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:06:56,926 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 05:06:56,930 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 05:06:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:06:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 05:06:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:06:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:06:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:06:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:06:57,057 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:06:57,059 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:07:08,671 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-24 05:07:08,672 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:07:08,723 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:07:08,727 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:07:08,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:07:08 BoogieIcfgContainer [2024-10-24 05:07:08,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:07:08,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:07:08,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:07:08,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:07:08,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:06:56" (1/3) ... [2024-10-24 05:07:08,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1a1447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:07:08, skipping insertion in model container [2024-10-24 05:07:08,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:56" (2/3) ... [2024-10-24 05:07:08,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1a1447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:07:08, skipping insertion in model container [2024-10-24 05:07:08,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:07:08" (3/3) ... [2024-10-24 05:07:08,742 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-30.i [2024-10-24 05:07:08,759 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:07:08,760 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:07:08,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:07:08,827 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;@31b7fa7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:07:08,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:07:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 05:07:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 05:07:08,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:07:08,841 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:08,842 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:07:08,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:07:08,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1653336511, now seen corresponding path program 1 times [2024-10-24 05:07:08,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:07:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124546014] [2024-10-24 05:07:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:07:08,865 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 05:07:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:07:08,868 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 05:07:08,869 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 05:07:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:07:09,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 05:07:09,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:07:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-10-24 05:07:09,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 05:07:09,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 05:07:09,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124546014] [2024-10-24 05:07:09,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124546014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:07:09,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:07:09,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:07:09,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046322200] [2024-10-24 05:07:09,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:07:09,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:07:09,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 05:07:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:07:09,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:07:09,423 INFO L87 Difference]: Start difference. First operand has 43 states, 30 states have (on average 1.6) internal successors, (48), 31 states have internal predecessors, (48), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 05:07:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:11,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:07:11,729 INFO L93 Difference]: Finished difference Result 83 states and 144 transitions. [2024-10-24 05:07:11,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:07:11,771 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2024-10-24 05:07:11,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:07:11,777 INFO L225 Difference]: With dead ends: 83 [2024-10-24 05:07:11,777 INFO L226 Difference]: Without dead ends: 41 [2024-10-24 05:07:11,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 05:07:11,782 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 05:07:11,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 05:07:11,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-10-24 05:07:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-10-24 05:07:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 05:07:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 62 transitions. [2024-10-24 05:07:11,818 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 62 transitions. Word has length 69 [2024-10-24 05:07:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:07:11,818 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 62 transitions. [2024-10-24 05:07:11,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 05:07:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2024-10-24 05:07:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 05:07:11,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:07:11,821 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:11,836 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 05:07:12,022 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 05:07:12,023 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:07:12,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:07:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash -479959559, now seen corresponding path program 1 times [2024-10-24 05:07:12,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:07:12,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1433931326] [2024-10-24 05:07:12,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:07:12,025 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 05:07:12,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:07:12,028 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 05:07:12,031 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 05:07:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:07:12,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 05:07:12,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:07:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-24 05:07:13,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 05:07:13,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 05:07:13,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1433931326] [2024-10-24 05:07:13,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1433931326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:07:13,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:07:13,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 05:07:13,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134124663] [2024-10-24 05:07:13,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:07:13,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 05:07:13,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 05:07:13,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 05:07:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 05:07:13,307 INFO L87 Difference]: Start difference. First operand 41 states and 62 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 05:07:17,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:22,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:27,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:27,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:07:27,358 INFO L93 Difference]: Finished difference Result 137 states and 209 transitions. [2024-10-24 05:07:27,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 05:07:27,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 69 [2024-10-24 05:07:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:07:27,404 INFO L225 Difference]: With dead ends: 137 [2024-10-24 05:07:27,404 INFO L226 Difference]: Without dead ends: 97 [2024-10-24 05:07:27,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 05:07:27,405 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 65 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 24 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:07:27,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 184 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2024-10-24 05:07:27,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-24 05:07:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2024-10-24 05:07:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 56 states have internal predecessors, (78), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 05:07:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2024-10-24 05:07:27,433 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 69 [2024-10-24 05:07:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:07:27,437 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2024-10-24 05:07:27,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-10-24 05:07:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2024-10-24 05:07:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 05:07:27,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:07:27,439 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:27,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 05:07:27,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 05:07:27,640 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:07:27,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:07:27,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1977457232, now seen corresponding path program 1 times [2024-10-24 05:07:27,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:07:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993367437] [2024-10-24 05:07:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:07:27,642 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 05:07:27,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:07:27,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 05:07:27,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 05:07:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:07:28,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 05:07:28,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:07:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-24 05:07:29,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 05:07:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-24 05:07:30,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 05:07:30,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993367437] [2024-10-24 05:07:30,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993367437] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 05:07:30,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 05:07:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-10-24 05:07:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440383333] [2024-10-24 05:07:30,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 05:07:30,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 05:07:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 05:07:30,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 05:07:30,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-24 05:07:30,955 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 05:07:36,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:39,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:07:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:07:39,565 INFO L93 Difference]: Finished difference Result 136 states and 192 transitions. [2024-10-24 05:07:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 05:07:39,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 70 [2024-10-24 05:07:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:07:39,568 INFO L225 Difference]: With dead ends: 136 [2024-10-24 05:07:39,569 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 05:07:39,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-10-24 05:07:39,571 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 125 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-10-24 05:07:39,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 139 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2024-10-24 05:07:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 05:07:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-10-24 05:07:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 68 states have internal predecessors, (87), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 05:07:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions. [2024-10-24 05:07:39,587 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 70 [2024-10-24 05:07:39,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:07:39,588 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 127 transitions. [2024-10-24 05:07:39,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 05:07:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2024-10-24 05:07:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 05:07:39,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:07:39,591 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:39,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-10-24 05:07:39,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 05:07:39,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:07:39,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:07:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash 315258235, now seen corresponding path program 1 times [2024-10-24 05:07:39,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:07:39,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624528279] [2024-10-24 05:07:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:07:39,798 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 05:07:39,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:07:39,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 05:07:39,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-24 05:07:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:07:40,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 05:07:40,170 INFO L278 TraceCheckSpWp]: Computing forward predicates...