./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:10:10,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:10:10,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:10:10,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:10:10,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:10:10,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:10:10,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:10:10,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:10:10,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:10:10,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:10:10,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:10:10,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:10:10,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:10:10,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:10:10,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:10:10,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:10:10,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:10:10,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:10:10,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:10:10,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:10:10,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:10:10,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:10:10,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:10:10,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:10:10,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:10:10,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:10:10,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:10:10,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:10:10,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:10:10,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:10:10,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:10:10,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:10:10,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:10:10,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:10:10,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:10:10,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:10:10,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:10:10,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:10:10,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:10:10,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:10:10,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:10:10,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:10:10,391 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-10-11 13:10:10,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:10:10,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:10:10,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:10:10,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:10:10,703 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:10:10,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:12,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:10:12,480 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:10:12,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:12,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/962073b32/d04d4f3b42d44606965a2eb7d376515e/FLAG42fc62ae3 [2024-10-11 13:10:12,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/962073b32/d04d4f3b42d44606965a2eb7d376515e [2024-10-11 13:10:12,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:10:12,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:10:12,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:10:12,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:10:12,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:10:12,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4509eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12, skipping insertion in model container [2024-10-11 13:10:12,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:10:12,716 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-10-11 13:10:12,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:10:12,789 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:10:12,803 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-10-11 13:10:12,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:10:12,861 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:10:12,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12 WrapperNode [2024-10-11 13:10:12,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:10:12,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:10:12,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:10:12,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:10:12,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,929 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-10-11 13:10:12,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:10:12,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:10:12,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:10:12,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:10:12,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,949 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,965 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 13:10:12,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:12,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:10:13,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:10:13,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:10:13,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:10:13,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (1/1) ... [2024-10-11 13:10:13,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:10:13,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:10:13,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:10:13,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:10:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:10:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:10:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:10:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:10:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:10:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:10:13,194 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:10:13,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:10:13,654 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 13:10:13,655 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:10:13,713 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:10:13,714 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:10:13,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:10:13 BoogieIcfgContainer [2024-10-11 13:10:13,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:10:13,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:10:13,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:10:13,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:10:13,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:10:12" (1/3) ... [2024-10-11 13:10:13,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c00e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:10:13, skipping insertion in model container [2024-10-11 13:10:13,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:12" (2/3) ... [2024-10-11 13:10:13,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c00e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:10:13, skipping insertion in model container [2024-10-11 13:10:13,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:10:13" (3/3) ... [2024-10-11 13:10:13,723 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:13,740 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:10:13,740 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:10:13,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:10:13,815 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;@3fab1234, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:10:13,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:10:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 13:10:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 13:10:13,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:10:13,836 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:10:13,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:10:13,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:10:13,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1824965687, now seen corresponding path program 1 times [2024-10-11 13:10:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:10:13,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299129522] [2024-10-11 13:10:13,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:10:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:10:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:10:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 13:10:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 13:10:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 13:10:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 13:10:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 13:10:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 13:10:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 13:10:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 13:10:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 13:10:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 13:10:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 13:10:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 13:10:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 13:10:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 13:10:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 13:10:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 13:10:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 13:10:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-11 13:10:14,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:10:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299129522] [2024-10-11 13:10:14,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299129522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:10:14,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:10:14,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:10:14,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353584053] [2024-10-11 13:10:14,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:10:14,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:10:14,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:10:14,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:10:14,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:10:14,336 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 13:10:14,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:10:14,385 INFO L93 Difference]: Finished difference Result 95 states and 166 transitions. [2024-10-11 13:10:14,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:10:14,388 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-11 13:10:14,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:10:14,397 INFO L225 Difference]: With dead ends: 95 [2024-10-11 13:10:14,397 INFO L226 Difference]: Without dead ends: 47 [2024-10-11 13:10:14,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:10:14,406 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:10:14,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:10:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-11 13:10:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-11 13:10:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 13:10:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 70 transitions. [2024-10-11 13:10:14,464 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 70 transitions. Word has length 111 [2024-10-11 13:10:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:10:14,465 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 70 transitions. [2024-10-11 13:10:14,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 13:10:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-10-11 13:10:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 13:10:14,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:10:14,469 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:10:14,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:10:14,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:10:14,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:10:14,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1451574673, now seen corresponding path program 1 times [2024-10-11 13:10:14,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:10:14,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676340311] [2024-10-11 13:10:14,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:10:14,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:10:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 13:10:14,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296640173] [2024-10-11 13:10:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:10:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:10:14,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:10:14,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:10:14,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 13:10:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:10:14,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 13:10:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:10:14,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 13:10:14,965 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 13:10:14,968 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 13:10:14,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 13:10:15,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:10:15,174 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 13:10:15,252 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 13:10:15,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:10:15 BoogieIcfgContainer [2024-10-11 13:10:15,257 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 13:10:15,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 13:10:15,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 13:10:15,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 13:10:15,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:10:13" (3/4) ... [2024-10-11 13:10:15,260 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 13:10:15,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 13:10:15,262 INFO L158 Benchmark]: Toolchain (without parser) took 2750.91ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 145.5MB in the beginning and 167.5MB in the end (delta: -22.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,262 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:10:15,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.11ms. Allocated memory is still 176.2MB. Free memory was 145.5MB in the beginning and 130.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.04ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 127.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,265 INFO L158 Benchmark]: Boogie Preprocessor took 67.97ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,265 INFO L158 Benchmark]: RCFGBuilder took 712.87ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 130.3MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,265 INFO L158 Benchmark]: TraceAbstraction took 1540.92ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 129.4MB in the beginning and 167.5MB in the end (delta: -38.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-10-11 13:10:15,266 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 211.8MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:10:15,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.11ms. Allocated memory is still 176.2MB. Free memory was 145.5MB in the beginning and 130.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.04ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 127.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.97ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 712.87ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 130.3MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1540.92ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 129.4MB in the beginning and 167.5MB in the end (delta: -38.1MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 211.8MB. Free memory is still 167.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 10000000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_15=80000000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=319/5] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=-49153, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_13=128, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_13=128, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L62] COND FALSE !(var_1_8 != var_1_8) VAL [isInitial=1, var_1_13=128, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=128, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=128, var_1_16=-49153, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=-32768, var_1_5=-65535, var_1_6=-49153, var_1_7=65664, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 18, 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, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 13:10:15,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:10:17,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:10:17,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 13:10:17,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:10:17,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:10:17,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:10:17,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:10:17,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:10:17,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:10:17,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:10:17,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:10:17,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:10:17,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:10:17,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:10:17,765 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:10:17,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:10:17,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:10:17,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:10:17,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:10:17,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:10:17,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:10:17,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:10:17,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:10:17,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 13:10:17,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 13:10:17,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:10:17,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 13:10:17,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:10:17,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:10:17,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:10:17,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:10:17,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:10:17,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:10:17,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:10:17,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:10:17,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:10:17,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:10:17,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:10:17,790 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 13:10:17,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 13:10:17,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:10:17,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:10:17,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:10:17,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:10:17,794 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 13:10:17,794 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f0afbebe1d6d31b67ecf7ab6417fb575d69602a84a97ac1a2c9f95fa54570b5 [2024-10-11 13:10:18,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:10:18,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:10:18,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:10:18,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:10:18,215 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:10:18,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:20,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:10:20,272 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:10:20,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:20,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fdeffb519/12699d4f22374827bedfcad151c4a5e4/FLAG733bb0d6a [2024-10-11 13:10:20,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fdeffb519/12699d4f22374827bedfcad151c4a5e4 [2024-10-11 13:10:20,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:10:20,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:10:20,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:10:20,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:10:20,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:10:20,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e43fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20, skipping insertion in model container [2024-10-11 13:10:20,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:10:20,550 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-10-11 13:10:20,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:10:20,659 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:10:20,672 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-77.i[913,926] [2024-10-11 13:10:20,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:10:20,727 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:10:20,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20 WrapperNode [2024-10-11 13:10:20,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:10:20,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:10:20,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:10:20,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:10:20,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,789 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-10-11 13:10:20,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:10:20,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:10:20,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:10:20,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:10:20,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,827 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 13:10:20,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:10:20,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:10:20,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:10:20,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:10:20,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (1/1) ... [2024-10-11 13:10:20,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:10:20,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:10:20,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:10:20,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:10:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:10:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 13:10:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:10:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:10:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:10:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:10:21,021 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:10:21,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:10:34,491 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 13:10:34,491 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:10:34,538 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:10:34,538 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:10:34,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:10:34 BoogieIcfgContainer [2024-10-11 13:10:34,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:10:34,544 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:10:34,544 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:10:34,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:10:34,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:10:20" (1/3) ... [2024-10-11 13:10:34,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b39c3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:10:34, skipping insertion in model container [2024-10-11 13:10:34,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:10:20" (2/3) ... [2024-10-11 13:10:34,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b39c3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:10:34, skipping insertion in model container [2024-10-11 13:10:34,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:10:34" (3/3) ... [2024-10-11 13:10:34,553 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-77.i [2024-10-11 13:10:34,570 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:10:34,570 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:10:34,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:10:34,642 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;@7ed6f9da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:10:34,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:10:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 13:10:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 13:10:34,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:10:34,662 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:10:34,663 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:10:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:10:34,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1824965687, now seen corresponding path program 1 times [2024-10-11 13:10:34,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:10:34,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005325606] [2024-10-11 13:10:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:10:34,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 13:10:34,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:10:34,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 13:10:34,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 13:10:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:35,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 13:10:35,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:10:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-10-11 13:10:35,585 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:10:35,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 13:10:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005325606] [2024-10-11 13:10:35,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005325606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:10:35,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:10:35,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:10:35,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873862398] [2024-10-11 13:10:35,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:10:35,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:10:35,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 13:10:35,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:10:35,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:10:35,623 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 13:10:40,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 13:10:40,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:10:40,183 INFO L93 Difference]: Finished difference Result 95 states and 166 transitions. [2024-10-11 13:10:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:10:40,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2024-10-11 13:10:40,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:10:40,365 INFO L225 Difference]: With dead ends: 95 [2024-10-11 13:10:40,366 INFO L226 Difference]: Without dead ends: 47 [2024-10-11 13:10:40,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:10:40,371 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 13:10:40,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 13:10:40,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-11 13:10:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-11 13:10:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 13:10:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 70 transitions. [2024-10-11 13:10:40,411 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 70 transitions. Word has length 111 [2024-10-11 13:10:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:10:40,411 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 70 transitions. [2024-10-11 13:10:40,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 13:10:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-10-11 13:10:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 13:10:40,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:10:40,414 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:10:40,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 13:10:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 13:10:40,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:10:40,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:10:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1451574673, now seen corresponding path program 1 times [2024-10-11 13:10:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:10:40,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229698090] [2024-10-11 13:10:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:10:40,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 13:10:40,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:10:40,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 13:10:40,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 13:10:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:10:41,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 13:10:41,439 INFO L278 TraceCheckSpWp]: Computing forward predicates...