./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:24:51,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:51,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 01:24:51,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:51,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:51,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:51,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:51,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:51,793 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:24:51,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:24:51,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:51,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:51,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:24:51,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:24:51,795 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:24:51,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:51,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:51,796 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:51,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:24:51,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:51,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:51,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:51,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:51,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:51,798 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:51,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:51,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:51,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:51,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:51,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:51,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:51,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:51,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:51,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:51,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:51,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:51,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 01:24:51,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:24:51,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:51,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:24:51,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:24:51,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:51,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2024-11-09 01:24:51,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:52,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:52,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:52,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:52,012 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:52,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-09 01:24:53,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:24:53,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:24:53,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-09 01:24:53,680 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e7be75f/a07fbb527e19462cbf459b70e67e9b0a/FLAGcd67ad143 [2024-11-09 01:24:53,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e7be75f/a07fbb527e19462cbf459b70e67e9b0a [2024-11-09 01:24:53,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:24:53,699 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:24:53,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:53,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:24:53,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:24:53,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:53,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2749c11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53, skipping insertion in model container [2024-11-09 01:24:53,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:53,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:24:53,888 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-09 01:24:53,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:53,933 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:24:53,944 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-09 01:24:53,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:24:53,997 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:24:53,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53 WrapperNode [2024-11-09 01:24:53,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:24:53,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:53,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:24:53,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:24:54,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,070 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-09 01:24:54,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:24:54,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:24:54,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:24:54,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:24:54,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,112 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 01:24:54,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:24:54,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:24:54,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:24:54,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:24:54,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (1/1) ... [2024-11-09 01:24:54,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:54,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:24:54,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 01:24:54,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 01:24:54,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:24:54,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:24:54,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:24:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 01:24:54,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:24:54,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:24:54,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:24:54,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:24:54,564 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 01:24:54,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:24:54,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:24:54,578 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:24:54,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:54 BoogieIcfgContainer [2024-11-09 01:24:54,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:24:54,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:24:54,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:24:54,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:24:54,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:24:53" (1/3) ... [2024-11-09 01:24:54,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68279a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:54, skipping insertion in model container [2024-11-09 01:24:54,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:24:53" (2/3) ... [2024-11-09 01:24:54,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68279a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:24:54, skipping insertion in model container [2024-11-09 01:24:54,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:54" (3/3) ... [2024-11-09 01:24:54,590 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2024-11-09 01:24:54,604 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:24:54,604 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:24:54,656 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:24:54,669 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;@5ce8d4e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:24:54,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:24:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:24:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 01:24:54,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:54,696 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:54,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:54,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:54,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2024-11-09 01:24:54,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:24:54,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510799074] [2024-11-09 01:24:54,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:54,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:24:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 01:24:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 01:24:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 01:24:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 01:24:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 01:24:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 01:24:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 01:24:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 01:24:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-09 01:24:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 01:24:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 01:24:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 01:24:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 01:24:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 01:24:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 01:24:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 01:24:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 01:24:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 01:24:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 01:24:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:24:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 01:24:55,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:24:55,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510799074] [2024-11-09 01:24:55,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510799074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:24:55,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:24:55,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:24:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125986349] [2024-11-09 01:24:55,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:24:55,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:24:55,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:24:55,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:24:55,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:24:55,052 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:24:55,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:24:55,077 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-09 01:24:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:24:55,079 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-09 01:24:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:24:55,085 INFO L225 Difference]: With dead ends: 103 [2024-11-09 01:24:55,085 INFO L226 Difference]: Without dead ends: 51 [2024-11-09 01:24:55,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:24:55,092 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:24:55,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:24:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-09 01:24:55,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-09 01:24:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:24:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-09 01:24:55,195 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2024-11-09 01:24:55,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:24:55,195 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-09 01:24:55,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:24:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-09 01:24:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 01:24:55,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:24:55,201 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:24:55,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:24:55,201 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:24:55,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:24:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2024-11-09 01:24:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:24:55,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262326252] [2024-11-09 01:24:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:24:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:24:55,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71630424] [2024-11-09 01:24:55,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:24:55,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:24:55,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:24:55,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:24:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:55,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:24:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:24:55,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 01:24:55,834 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:24:55,835 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:24:55,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:24:56,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:24:56,049 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:24:56,147 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:24:56,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:24:56 BoogieIcfgContainer [2024-11-09 01:24:56,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:24:56,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:24:56,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:24:56,155 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:24:56,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:24:54" (3/4) ... [2024-11-09 01:24:56,158 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:24:56,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:24:56,160 INFO L158 Benchmark]: Toolchain (without parser) took 2460.89ms. Allocated memory is still 169.9MB. Free memory was 101.5MB in the beginning and 95.3MB in the end (delta: 6.2MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,161 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:56,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.14ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 141.5MB in the end (delta: -40.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.98ms. Allocated memory is still 169.9MB. Free memory was 141.5MB in the beginning and 138.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,163 INFO L158 Benchmark]: Boogie Preprocessor took 55.94ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 131.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,163 INFO L158 Benchmark]: RCFGBuilder took 448.20ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 112.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,163 INFO L158 Benchmark]: TraceAbstraction took 1571.51ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 95.4MB in the end (delta: 16.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-09 01:24:56,169 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 169.9MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 190.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:24:56,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.14ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 141.5MB in the end (delta: -40.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.98ms. Allocated memory is still 169.9MB. Free memory was 141.5MB in the beginning and 138.0MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.94ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 131.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 448.20ms. Allocated memory is still 169.9MB. Free memory was 131.8MB in the beginning and 112.2MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1571.51ms. Allocated memory is still 169.9MB. Free memory was 111.5MB in the beginning and 95.4MB in the end (delta: 16.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 169.9MB. Free memory was 95.4MB in the beginning and 95.3MB in the end (delta: 190.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned char var_1_4 = 25; [L24] unsigned char var_1_5 = 64; [L25] unsigned char var_1_6 = 8; [L26] unsigned char var_1_7 = 0; [L27] unsigned short int var_1_8 = 64; [L28] unsigned char var_1_9 = 1; [L29] unsigned short int var_1_10 = 27843; [L30] signed short int var_1_11 = -4; [L31] unsigned char var_1_13 = 128; [L32] unsigned char var_1_14 = 5; [L33] signed short int var_1_15 = 28020; [L34] signed short int var_1_16 = 128; [L35] float var_1_17 = 10000000000000.926; [L36] float var_1_18 = 1000000.6; [L37] unsigned short int last_1_var_1_8 = 64; [L38] signed short int last_1_var_1_11 = -4; VAL [isInitial=0, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_8 = var_1_8 [L97] last_1_var_1_11 = var_1_11 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=25, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L66] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=64, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L67] var_1_5 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L69] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=8, var_1_7=0, var_1_8=64, var_1_9=1] [L70] var_1_6 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_7=0, var_1_8=64, var_1_9=1] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_7=0, var_1_8=64, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L72] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=1] [L73] var_1_7 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_8=64, var_1_9=1] [L74] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_8=64, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L75] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=27843, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L79] var_1_10 = __VERIFIER_nondet_ushort() [L80] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L80] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=128, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L82] var_1_13 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L83] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L84] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=5, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L85] var_1_14 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L86] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L87] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L88] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=28020, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_18=5000003/5, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L92] var_1_18 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L93] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L42] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=128, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L43] COND TRUE stepLocal_0 != last_1_var_1_8 [L44] var_1_1 = (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=64, var_1_9=1] [L48] COND TRUE \read(var_1_9) [L49] var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=128, var_1_17=5000000000000463/500, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L51] COND TRUE ! (var_1_5 > var_1_10) [L52] var_1_16 = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=5000000000000463/500, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L56] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_16) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + ((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; VAL [\result=0, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10=-163841, var_1_11=-4, var_1_13=-384, var_1_14=-642, var_1_15=16383, var_1_16=24, var_1_17=2, var_1_18=2, var_1_1=254, var_1_4=-385, var_1_5=-256, var_1_6=0, var_1_7=-129, var_1_8=55838, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 760/760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:24:56,200 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.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 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:24:58,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:24:58,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 01:24:58,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:24:58,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:24:58,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:24:58,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:24:58,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:24:58,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:24:58,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:24:58,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:24:58,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:24:58,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:24:58,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:24:58,223 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:24:58,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:24:58,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:24:58,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:24:58,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:24:58,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:24:58,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:24:58,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:24:58,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:24:58,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:24:58,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:24:58,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:24:58,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:24:58,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:24:58,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:24:58,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:24:58,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:24:58,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:24:58,231 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 01:24:58,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:24:58,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:24:58,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:24:58,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:24:58,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:24:58,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa7b40afd745d6b11fb7961b18fb49ff63e465273ad6411781c67404da0d0d9 [2024-11-09 01:24:58,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:24:58,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:24:58,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:24:58,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:24:58,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:24:58,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-09 01:24:59,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:25:00,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:25:00,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i [2024-11-09 01:25:00,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7880e88fc/2f2c857dee904b5a95b40dd848d12fce/FLAG5ed3a7a54 [2024-11-09 01:25:00,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7880e88fc/2f2c857dee904b5a95b40dd848d12fce [2024-11-09 01:25:00,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:25:00,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:25:00,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:00,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:25:00,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:25:00,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ed3bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00, skipping insertion in model container [2024-11-09 01:25:00,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:25:00,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-09 01:25:00,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:00,329 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:25:00,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-84.i[913,926] [2024-11-09 01:25:00,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:25:00,390 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:25:00,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00 WrapperNode [2024-11-09 01:25:00,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:25:00,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:00,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:25:00,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:25:00,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,438 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-09 01:25:00,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:25:00,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:25:00,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:25:00,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:25:00,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,480 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 01:25:00,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:25:00,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:25:00,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:25:00,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:25:00,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (1/1) ... [2024-11-09 01:25:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:25:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:25:00,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 01:25:00,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 01:25:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:25:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 01:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:25:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:25:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:25:00,648 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:25:00,650 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:25:00,910 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 01:25:00,913 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:25:00,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:25:00,926 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:25:00,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:00 BoogieIcfgContainer [2024-11-09 01:25:00,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:25:00,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:25:00,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:25:00,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:25:00,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:25:00" (1/3) ... [2024-11-09 01:25:00,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61cf16ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:00, skipping insertion in model container [2024-11-09 01:25:00,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:25:00" (2/3) ... [2024-11-09 01:25:00,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61cf16ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:25:00, skipping insertion in model container [2024-11-09 01:25:00,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:25:00" (3/3) ... [2024-11-09 01:25:00,936 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-84.i [2024-11-09 01:25:00,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:25:00,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:25:01,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:25:01,013 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;@7d916551, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:25:01,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:25:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:25:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 01:25:01,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:01,029 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:01,030 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:01,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:01,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1711375037, now seen corresponding path program 1 times [2024-11-09 01:25:01,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:25:01,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745877245] [2024-11-09 01:25:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:25:01,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:25:01,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:25:01,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 01:25:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:01,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:25:01,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:25:01,299 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-09 01:25:01,299 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:25:01,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 01:25:01,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745877245] [2024-11-09 01:25:01,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745877245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:25:01,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:25:01,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:25:01,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347623512] [2024-11-09 01:25:01,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:25:01,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:25:01,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 01:25:01,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:25:01,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:25:01,329 INFO L87 Difference]: Start difference. First operand has 55 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:25:01,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:25:01,347 INFO L93 Difference]: Finished difference Result 103 states and 178 transitions. [2024-11-09 01:25:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:25:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2024-11-09 01:25:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:25:01,357 INFO L225 Difference]: With dead ends: 103 [2024-11-09 01:25:01,357 INFO L226 Difference]: Without dead ends: 51 [2024-11-09 01:25:01,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:25:01,363 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 01:25:01,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:25:01,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-09 01:25:01,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-09 01:25:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 01:25:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-09 01:25:01,395 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 124 [2024-11-09 01:25:01,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:25:01,395 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-09 01:25:01,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 01:25:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-09 01:25:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 01:25:01,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:25:01,398 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:25:01,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 01:25:01,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:25:01,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:25:01,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:25:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash 694659133, now seen corresponding path program 1 times [2024-11-09 01:25:01,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:25:01,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352356077] [2024-11-09 01:25:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:25:01,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:25:01,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:25:01,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 01:25:01,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 01:25:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:25:01,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 01:25:01,792 INFO L278 TraceCheckSpWp]: Computing forward predicates...