./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-44.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-44.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 aec522a001bf0e9fb0f40f6360c658e1c731a2587b5c1a4673bd9d4da5f9ca0b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:01:59,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:01:59,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:01:59,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:01:59,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:01:59,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:01:59,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:01:59,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:01:59,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:01:59,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:01:59,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:01:59,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:01:59,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:01:59,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:01:59,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:01:59,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:01:59,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:01:59,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:01:59,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:01:59,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:01:59,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:01:59,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:01:59,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:01:59,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:01:59,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:01:59,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:01:59,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:01:59,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:01:59,806 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:01:59,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:01:59,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:01:59,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:01:59,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:01:59,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:01:59,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:01:59,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:01:59,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:01:59,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec522a001bf0e9fb0f40f6360c658e1c731a2587b5c1a4673bd9d4da5f9ca0b [2024-11-16 18:01:59,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:02:00,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:02:00,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:02:00,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:02:00,013 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:02:00,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:01,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:02:01,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:02:01,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:01,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0a52068/adf127feb5f941eabf63f9a3db260e48/FLAG3bdfe4009 [2024-11-16 18:02:01,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a0a52068/adf127feb5f941eabf63f9a3db260e48 [2024-11-16 18:02:01,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:02:01,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:02:01,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:02:01,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:02:01,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:02:01,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86ccbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01, skipping insertion in model container [2024-11-16 18:02:01,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:02:01,667 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-44.i[913,926] [2024-11-16 18:02:01,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:02:01,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:02:01,737 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-44.i[913,926] [2024-11-16 18:02:01,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:02:01,776 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:02:01,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01 WrapperNode [2024-11-16 18:02:01,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:02:01,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:02:01,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:02:01,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:02:01,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,808 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-16 18:02:01,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:02:01,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:02:01,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:02:01,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:02:01,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,830 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]. [2024-11-16 18:02:01,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:02:01,844 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:02:01,844 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:02:01,844 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:02:01,845 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (1/1) ... [2024-11-16 18:02:01,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:02:01,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:02:01,884 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) [2024-11-16 18:02:01,887 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 [2024-11-16 18:02:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:02:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:02:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:02:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:02:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:02:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:02:01,991 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:02:01,993 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:02:02,264 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 18:02:02,266 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:02:02,280 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:02:02,282 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:02:02,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:02:02 BoogieIcfgContainer [2024-11-16 18:02:02,282 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:02:02,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:02:02,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:02:02,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:02:02,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:02:01" (1/3) ... [2024-11-16 18:02:02,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72af66f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:02:02, skipping insertion in model container [2024-11-16 18:02:02,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:01" (2/3) ... [2024-11-16 18:02:02,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72af66f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:02:02, skipping insertion in model container [2024-11-16 18:02:02,291 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:02:02" (3/3) ... [2024-11-16 18:02:02,292 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:02,306 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:02:02,306 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:02:02,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:02:02,367 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;@1b07528a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:02:02,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:02:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 39 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:02:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:02:02,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:02:02,383 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:02:02,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:02:02,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:02:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash -85139419, now seen corresponding path program 1 times [2024-11-16 18:02:02,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:02:02,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807932500] [2024-11-16 18:02:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:02:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:02:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:02:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 18:02:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 18:02:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 18:02:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 18:02:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:02:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:02:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 18:02:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 18:02:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 18:02:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:02:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:02:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 18:02:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 18:02:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 18:02:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 18:02:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 18:02:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:02:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:02:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 18:02:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 18:02:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-16 18:02:02,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:02:02,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807932500] [2024-11-16 18:02:02,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807932500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:02:02,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:02:02,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:02:02,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583985767] [2024-11-16 18:02:02,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:02:02,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:02:02,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:02:02,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:02:02,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:02:02,721 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 39 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:02:02,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:02:02,744 INFO L93 Difference]: Finished difference Result 116 states and 196 transitions. [2024-11-16 18:02:02,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:02:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-16 18:02:02,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:02:02,776 INFO L225 Difference]: With dead ends: 116 [2024-11-16 18:02:02,776 INFO L226 Difference]: Without dead ends: 57 [2024-11-16 18:02:02,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:02:02,783 INFO L432 NwaCegarLoop]: 83 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, 83 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 [2024-11-16 18:02:02,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:02:02,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-16 18:02:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-16 18:02:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:02:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2024-11-16 18:02:02,836 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 132 [2024-11-16 18:02:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:02:02,837 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2024-11-16 18:02:02,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:02:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2024-11-16 18:02:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:02:02,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:02:02,843 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:02:02,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:02:02,844 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:02:02,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:02:02,845 INFO L85 PathProgramCache]: Analyzing trace with hash 671540356, now seen corresponding path program 1 times [2024-11-16 18:02:02,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:02:02,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87041209] [2024-11-16 18:02:02,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:02:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:02:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 18:02:03,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501461524] [2024-11-16 18:02:03,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:02:03,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:02:03,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:02:03,009 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) [2024-11-16 18:02:03,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:02:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:02:03,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 18:02:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:02:03,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 18:02:03,197 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 18:02:03,198 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 18:02:03,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 18:02:03,399 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 [2024-11-16 18:02:03,403 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 18:02:03,474 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 18:02:03,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:02:03 BoogieIcfgContainer [2024-11-16 18:02:03,476 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 18:02:03,477 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 18:02:03,477 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 18:02:03,477 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 18:02:03,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:02:02" (3/4) ... [2024-11-16 18:02:03,482 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 18:02:03,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 18:02:03,483 INFO L158 Benchmark]: Toolchain (without parser) took 2003.51ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 125.1MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,484 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:02:03,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 154.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.27ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 151.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,485 INFO L158 Benchmark]: Boogie Preprocessor took 31.34ms. Allocated memory is still 201.3MB. Free memory was 151.3MB in the beginning and 148.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,485 INFO L158 Benchmark]: IcfgBuilder took 438.34ms. Allocated memory is still 201.3MB. Free memory was 148.2MB in the beginning and 130.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,485 INFO L158 Benchmark]: TraceAbstraction took 1191.49ms. Allocated memory is still 201.3MB. Free memory was 129.3MB in the beginning and 125.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 18:02:03,486 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:02:03,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 201.3MB. Free memory was 169.1MB in the beginning and 154.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.27ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 151.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.34ms. Allocated memory is still 201.3MB. Free memory was 151.3MB in the beginning and 148.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 438.34ms. Allocated memory is still 201.3MB. Free memory was 148.2MB in the beginning and 130.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1191.49ms. Allocated memory is still 201.3MB. Free memory was 129.3MB in the beginning and 125.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 201.3MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] signed char var_1_3 = -25; [L24] signed char var_1_4 = -64; [L25] signed char var_1_5 = -1; [L26] signed char var_1_6 = 50; [L27] unsigned char var_1_7 = 1; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 1; [L31] double var_1_12 = 10.5; [L32] unsigned char var_1_15 = 0; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 50.75; [L36] float var_1_19 = 32.6; VAL [isInitial=0, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=-25, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L66] var_1_3 = __VERIFIER_nondet_char() [L67] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L67] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L68] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L68] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=-64, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L69] var_1_4 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L70] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L71] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=-1, var_1_6=50, var_1_7=1, var_1_8=0] [L72] var_1_5 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L73] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L74] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L74] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=1, var_1_8=0] [L75] var_1_6 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L77] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L77] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L78] var_1_7 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L79] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L80] CALL assume_abort_if_not(var_1_7 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L80] RET assume_abort_if_not(var_1_7 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_8=0] [L81] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L81] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=21/2, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L85] var_1_12 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L86] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L88] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L89] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L89] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L91] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L92] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L92] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L94] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L95] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L95] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_19=163/5, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L96] var_1_19 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L97] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L110] RET updateVariables() [L111] CALL step() [L40] signed long int stepLocal_1 = ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7; [L41] signed long int stepLocal_0 = var_1_5 - var_1_6; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=32, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L42] COND FALSE !(var_1_4 > stepLocal_0) [L47] var_1_1 = var_1_3 VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=203/4, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L49] var_1_18 = var_1_19 VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L50] COND TRUE (var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18 [L51] var_1_11 = (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)) VAL [isInitial=1, stepLocal_1=0, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L53] signed long int stepLocal_3 = var_1_1; [L54] signed long int stepLocal_2 = var_1_1 * (var_1_1 * var_1_6); VAL [isInitial=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L55] COND FALSE !(\read(var_1_11)) VAL [isInitial=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L111] RET step() [L112] CALL, EXPR property() [L102-L103] return ((((var_1_4 > (var_1_5 - var_1_6)) ? (((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) / var_1_7) <= var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : 1) : (var_1_1 == ((signed long int) var_1_3))) && (var_1_11 ? ((var_1_1 > var_1_1) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (((var_1_1 % var_1_7) < (var_1_1 * (var_1_1 * var_1_6))) ? (var_1_8 == ((unsigned char) var_1_10)) : 1)) : 1)) && (((var_1_12 - ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) >= var_1_18) ? (var_1_11 == ((unsigned char) (((var_1_6 < var_1_1) && var_1_15) || (var_1_16 || var_1_17)))) : 1)) && (var_1_18 == ((float) var_1_19)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=1, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 21, 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, 83 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, 83 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 840/840 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 [2024-11-16 18:02:03,521 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-44.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 aec522a001bf0e9fb0f40f6360c658e1c731a2587b5c1a4673bd9d4da5f9ca0b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:02:05,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:02:05,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 18:02:05,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:02:05,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:02:05,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:02:05,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:02:05,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:02:05,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:02:05,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:02:05,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:02:05,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:02:05,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:02:05,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:02:05,454 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:02:05,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:02:05,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:02:05,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:02:05,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:02:05,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:02:05,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:02:05,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:02:05,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:02:05,458 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 18:02:05,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 18:02:05,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:02:05,459 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 18:02:05,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:02:05,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:02:05,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:02:05,460 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:02:05,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:02:05,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:02:05,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:02:05,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:02:05,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:02:05,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:02:05,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:02:05,463 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 18:02:05,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 18:02:05,463 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:02:05,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:02:05,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:02:05,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:02:05,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aec522a001bf0e9fb0f40f6360c658e1c731a2587b5c1a4673bd9d4da5f9ca0b [2024-11-16 18:02:05,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:02:05,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:02:05,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:02:05,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:02:05,739 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:02:05,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:07,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:02:07,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:02:07,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:07,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc020136/a430d7fb5a7a48d8ab01474af0a53a7a/FLAGea32f6ec3 [2024-11-16 18:02:07,272 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc020136/a430d7fb5a7a48d8ab01474af0a53a7a [2024-11-16 18:02:07,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:02:07,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:02:07,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:02:07,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:02:07,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:02:07,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8f43ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07, skipping insertion in model container [2024-11-16 18:02:07,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:02:07,450 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-44.i[913,926] [2024-11-16 18:02:07,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:02:07,520 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:02:07,530 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-44.i[913,926] [2024-11-16 18:02:07,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:02:07,580 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:02:07,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07 WrapperNode [2024-11-16 18:02:07,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:02:07,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:02:07,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:02:07,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:02:07,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,625 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-16 18:02:07,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:02:07,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:02:07,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:02:07,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:02:07,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,644 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,658 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]. [2024-11-16 18:02:07,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:02:07,680 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:02:07,680 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:02:07,680 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:02:07,681 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (1/1) ... [2024-11-16 18:02:07,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:02:07,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:02:07,710 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) [2024-11-16 18:02:07,712 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 [2024-11-16 18:02:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:02:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 18:02:07,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:02:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:02:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:02:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:02:07,817 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:02:07,818 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:02:08,543 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 18:02:08,544 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:02:08,553 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:02:08,553 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:02:08,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:02:08 BoogieIcfgContainer [2024-11-16 18:02:08,553 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:02:08,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:02:08,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:02:08,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:02:08,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:02:07" (1/3) ... [2024-11-16 18:02:08,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5981d61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:02:08, skipping insertion in model container [2024-11-16 18:02:08,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:02:07" (2/3) ... [2024-11-16 18:02:08,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5981d61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:02:08, skipping insertion in model container [2024-11-16 18:02:08,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:02:08" (3/3) ... [2024-11-16 18:02:08,561 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-44.i [2024-11-16 18:02:08,573 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:02:08,573 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:02:08,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:02:08,626 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;@4c37eed0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:02:08,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:02:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 39 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:02:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:02:08,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:02:08,642 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:02:08,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:02:08,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:02:08,648 INFO L85 PathProgramCache]: Analyzing trace with hash -85139419, now seen corresponding path program 1 times [2024-11-16 18:02:08,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:02:08,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142662082] [2024-11-16 18:02:08,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:02:08,660 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 [2024-11-16 18:02:08,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:02:08,663 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) [2024-11-16 18:02:08,664 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 [2024-11-16 18:02:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:08,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 18:02:08,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:02:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-11-16 18:02:08,946 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:02:08,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:02:08,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142662082] [2024-11-16 18:02:08,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142662082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:02:08,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:02:08,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:02:08,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955787255] [2024-11-16 18:02:08,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:02:08,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:02:08,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:02:08,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:02:08,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:02:08,987 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 39 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:02:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:02:09,005 INFO L93 Difference]: Finished difference Result 116 states and 196 transitions. [2024-11-16 18:02:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:02:09,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-11-16 18:02:09,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:02:09,017 INFO L225 Difference]: With dead ends: 116 [2024-11-16 18:02:09,017 INFO L226 Difference]: Without dead ends: 57 [2024-11-16 18:02:09,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:02:09,024 INFO L432 NwaCegarLoop]: 83 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, 83 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 [2024-11-16 18:02:09,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:02:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-16 18:02:09,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-16 18:02:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-16 18:02:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 83 transitions. [2024-11-16 18:02:09,056 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 83 transitions. Word has length 132 [2024-11-16 18:02:09,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:02:09,056 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 83 transitions. [2024-11-16 18:02:09,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-16 18:02:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2024-11-16 18:02:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:02:09,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:02:09,060 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:02:09,069 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 [2024-11-16 18:02:09,260 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 [2024-11-16 18:02:09,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:02:09,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:02:09,261 INFO L85 PathProgramCache]: Analyzing trace with hash 671540356, now seen corresponding path program 1 times [2024-11-16 18:02:09,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:02:09,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118972869] [2024-11-16 18:02:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:02:09,262 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 [2024-11-16 18:02:09,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:02:09,265 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) [2024-11-16 18:02:09,265 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 [2024-11-16 18:02:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:02:09,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-16 18:02:09,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:03:09,789 WARN L286 SmtUtils]: Spent 18.82s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)