./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 509571b928f0e2dfbb1c09fe2b4934eac01a43200c8a3311413a2cff66ec306f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:52:20,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:20,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:52:20,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:52:20,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:52:20,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:20,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:52:20,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:52:20,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:52:20,763 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:52:20,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:20,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:52:20,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:20,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:20,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:52:20,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:20,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:20,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:52:20,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:52:20,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:52:20,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:20,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:20,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:20,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:20,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:20,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:52:20,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:20,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:20,771 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:20,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:52:20,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:52:20,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:52:20,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:52:20,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:20,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:20,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:20,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:52:20,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:52:20,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:52:20,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:52:20,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:52:20,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:52:20,777 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509571b928f0e2dfbb1c09fe2b4934eac01a43200c8a3311413a2cff66ec306f [2024-11-08 23:52:21,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:21,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:21,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:21,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:21,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:21,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:52:22,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:22,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:22,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:52:22,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c7477e5/8b646aa508b9459d957a85b409ea7e0b/FLAG4a66155a9 [2024-11-08 23:52:22,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c7477e5/8b646aa508b9459d957a85b409ea7e0b [2024-11-08 23:52:22,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:22,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:22,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:22,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:22,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:22,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:22" (1/1) ... [2024-11-08 23:52:22,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df433d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:22, skipping insertion in model container [2024-11-08 23:52:22,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:22" (1/1) ... [2024-11-08 23:52:22,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:23,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i[915,928] [2024-11-08 23:52:23,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:23,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:23,116 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i[915,928] [2024-11-08 23:52:23,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:23,156 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:23,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23 WrapperNode [2024-11-08 23:52:23,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:23,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:23,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:23,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:23,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,198 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-08 23:52:23,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:23,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:23,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:23,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:23,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,237 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:52:23,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:23,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:23,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:23,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:23,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (1/1) ... [2024-11-08 23:52:23,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:52:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:52:23,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:23,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:52:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:52:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:52:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:23,418 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:23,420 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:52:23,635 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:52:23,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:52:23,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:52:23,653 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:52:23,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:23 BoogieIcfgContainer [2024-11-08 23:52:23,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:52:23,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:52:23,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:52:23,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:52:23,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:52:22" (1/3) ... [2024-11-08 23:52:23,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b2ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:52:23, skipping insertion in model container [2024-11-08 23:52:23,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:23" (2/3) ... [2024-11-08 23:52:23,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b2ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:52:23, skipping insertion in model container [2024-11-08 23:52:23,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:23" (3/3) ... [2024-11-08 23:52:23,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:52:23,675 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:52:23,675 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:52:23,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:52:23,730 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;@2a49a225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:52:23,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:52:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 23:52:23,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 23:52:23,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:52:23,745 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:52:23,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:52:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:23,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2122602353, now seen corresponding path program 1 times [2024-11-08 23:52:23,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:52:23,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828895669] [2024-11-08 23:52:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:52:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:52:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 23:52:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 23:52:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 23:52:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 23:52:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-08 23:52:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 23:52:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 23:52:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 23:52:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 23:52:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 23:52:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 23:52:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 23:52:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 23:52:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 23:52:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 23:52:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 23:52:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 23:52:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 23:52:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 96 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-08 23:52:43,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:52:43,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828895669] [2024-11-08 23:52:43,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828895669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 23:52:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470815517] [2024-11-08 23:52:43,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:52:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:52:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:52:44,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 23:52:44,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 23:52:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:44,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:52:44,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:45,645 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 339 proven. 120 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-08 23:52:45,647 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 23:52:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 99 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-11-08 23:52:46,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470815517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 23:52:46,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 23:52:46,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 12] total 30 [2024-11-08 23:52:46,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951654606] [2024-11-08 23:52:46,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 23:52:46,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-08 23:52:46,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:52:47,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-08 23:52:47,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2024-11-08 23:52:47,013 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 30 states, 28 states have (on average 2.5714285714285716) internal successors, (72), 26 states have internal predecessors, (72), 10 states have call successors, (45), 5 states have call predecessors, (45), 9 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-11-08 23:52:54,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:52:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:52:54,900 INFO L93 Difference]: Finished difference Result 235 states and 384 transitions. [2024-11-08 23:52:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 23:52:54,903 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.5714285714285716) internal successors, (72), 26 states have internal predecessors, (72), 10 states have call successors, (45), 5 states have call predecessors, (45), 9 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) Word has length 119 [2024-11-08 23:52:54,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:52:54,913 INFO L225 Difference]: With dead ends: 235 [2024-11-08 23:52:54,913 INFO L226 Difference]: Without dead ends: 184 [2024-11-08 23:52:54,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1143, Invalid=3017, Unknown=0, NotChecked=0, Total=4160 [2024-11-08 23:52:54,920 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 358 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-08 23:52:54,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 342 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-08 23:52:54,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-08 23:52:55,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 149. [2024-11-08 23:52:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 94 states have (on average 1.127659574468085) internal successors, (106), 95 states have internal predecessors, (106), 43 states have call successors, (43), 11 states have call predecessors, (43), 11 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-08 23:52:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 192 transitions. [2024-11-08 23:52:55,013 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 192 transitions. Word has length 119 [2024-11-08 23:52:55,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:52:55,014 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-08 23:52:55,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.5714285714285716) internal successors, (72), 26 states have internal predecessors, (72), 10 states have call successors, (45), 5 states have call predecessors, (45), 9 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-11-08 23:52:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 192 transitions. [2024-11-08 23:52:55,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 23:52:55,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:52:55,019 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:52:55,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:55,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 23:52:55,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:52:55,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2120755311, now seen corresponding path program 1 times [2024-11-08 23:52:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:52:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739115841] [2024-11-08 23:52:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:52:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:55,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:52:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:52:55,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 23:52:55,427 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 23:52:55,428 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 23:52:55,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 23:52:55,432 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 23:52:55,517 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 23:52:55,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:52:55 BoogieIcfgContainer [2024-11-08 23:52:55,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 23:52:55,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:52:55,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:52:55,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:52:55,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:23" (3/4) ... [2024-11-08 23:52:55,526 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:52:55,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:52:55,529 INFO L158 Benchmark]: Toolchain (without parser) took 32738.50ms. Allocated memory was 132.1MB in the beginning and 484.4MB in the end (delta: 352.3MB). Free memory was 60.7MB in the beginning and 443.3MB in the end (delta: -382.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:55,530 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:55,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.84ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 60.4MB in the beginning and 141.4MB in the end (delta: -81.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-08 23:52:55,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.20ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:55,532 INFO L158 Benchmark]: Boogie Preprocessor took 56.34ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 136.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:52:55,533 INFO L158 Benchmark]: RCFGBuilder took 398.11ms. Allocated memory is still 172.0MB. Free memory was 136.2MB in the beginning and 119.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:52:55,533 INFO L158 Benchmark]: TraceAbstraction took 31865.59ms. Allocated memory was 172.0MB in the beginning and 484.4MB in the end (delta: 312.5MB). Free memory was 119.4MB in the beginning and 443.3MB in the end (delta: -323.9MB). Peak memory consumption was 270.6MB. Max. memory is 16.1GB. [2024-11-08 23:52:55,536 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 484.4MB. Free memory is still 443.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:52:55,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.84ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 60.4MB in the beginning and 141.4MB in the end (delta: -81.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.20ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.34ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 136.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.11ms. Allocated memory is still 172.0MB. Free memory was 136.2MB in the beginning and 119.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31865.59ms. Allocated memory was 172.0MB in the beginning and 484.4MB in the end (delta: 312.5MB). Free memory was 119.4MB in the beginning and 443.3MB in the end (delta: -323.9MB). Peak memory consumption was 270.6MB. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 484.4MB. Free memory is still 443.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 5.9; [L25] double var_1_8 = 255.6; [L26] unsigned long int var_1_9 = 4; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 1142722175; [L29] unsigned long int var_1_12 = 1231257437; [L30] signed char var_1_13 = -10; [L31] signed char var_1_14 = 100; [L32] signed char var_1_15 = 4; [L33] signed char var_1_16 = 64; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = -8; [L36] unsigned char var_1_19 = 4; VAL [isInitial=0, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L60] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L62] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L64] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L65] var_1_10 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L66] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L68] var_1_11 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L69] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L71] var_1_12 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L72] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L74] var_1_14 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L75] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L77] var_1_15 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L78] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L80] var_1_16 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L81] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L84] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L86] var_1_18 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L87] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L101] RET updateVariables() [L102] CALL step() [L40] COND TRUE \read(var_1_10) [L41] var_1_9 = ((var_1_11 + var_1_12) - 5u) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=-7] [L43] var_1_19 = var_1_16 [L44] unsigned long int stepLocal_0 = ((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)); VAL [isInitial=1, stepLocal_0=62, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=-10, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=4999996/5, var_1_9=-7] [L45] COND TRUE \read(var_1_10) [L46] var_1_13 = (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))) VAL [isInitial=1, stepLocal_0=62, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=76, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=4999996/5, var_1_9=-7] [L52] COND FALSE !((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) [L55] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=62, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=76, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=2147483652, var_1_6=2147483652, var_1_9=-7] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) var_1_6))) && (var_1_10 ? (var_1_9 == ((unsigned long int) ((var_1_11 + var_1_12) - 5u))) : 1)) && (var_1_10 ? (var_1_13 == ((signed char) (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))))) : ((var_1_12 < (((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)))) ? (var_1_13 == ((signed char) (var_1_17 + var_1_18))) : 1))) && (var_1_19 == ((unsigned char) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=76, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=2147483652, var_1_6=2147483652, var_1_9=-7] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=76, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=2147483652, var_1_6=2147483652, var_1_9=-7] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=-2147483649, var_1_12=2147483647, var_1_13=76, var_1_14=126, var_1_15=126, var_1_16=69, var_1_17=-63, var_1_18=62, var_1_19=69, var_1_1=2147483652, var_1_6=2147483652, var_1_9=-7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.7s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 261 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 617 IncrementalHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 81 mSDtfsCounter, 617 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=1, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 35 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 354 ConstructedInterpolants, 3 QuantifiedInterpolants, 3482 SizeOfPredicates, 8 NumberOfNonLiveVariables, 269 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1737/2052 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:52:55,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 509571b928f0e2dfbb1c09fe2b4934eac01a43200c8a3311413a2cff66ec306f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:52:57,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:57,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 23:52:57,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:52:57,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:52:57,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:57,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:52:57,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:52:57,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:52:57,751 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:52:57,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:57,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:52:57,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:57,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:57,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:52:57,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:57,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:57,760 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:52:57,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:52:57,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:57,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:57,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:57,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:57,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:52:57,763 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:52:57,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:57,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:52:57,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:52:57,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:57,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:57,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:57,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:52:57,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:52:57,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:52:57,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:52:57,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:57,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:57,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:57,768 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 23:52:57,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:57,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:52:57,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:52:57,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:52:57,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:52:57,769 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509571b928f0e2dfbb1c09fe2b4934eac01a43200c8a3311413a2cff66ec306f [2024-11-08 23:52:58,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:58,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:58,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:58,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:58,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:58,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:52:59,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:59,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:59,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:52:59,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99376fff5/5f4d737f3eb9470393709d8a1f47b9b7/FLAGbe343e39f [2024-11-08 23:53:00,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99376fff5/5f4d737f3eb9470393709d8a1f47b9b7 [2024-11-08 23:53:00,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:53:00,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:53:00,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:00,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:53:00,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:53:00,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d52b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00, skipping insertion in model container [2024-11-08 23:53:00,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:53:00,466 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i[915,928] [2024-11-08 23:53:00,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:00,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:53:00,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-45.i[915,928] [2024-11-08 23:53:00,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:00,613 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:53:00,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00 WrapperNode [2024-11-08 23:53:00,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:00,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:00,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:53:00,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:53:00,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,665 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-08 23:53:00,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:00,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:53:00,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:53:00,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:53:00,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,698 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 23:53:00,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:53:00,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:53:00,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:53:00,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:53:00,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (1/1) ... [2024-11-08 23:53:00,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:53:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:53:00,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 23:53:00,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 23:53:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:53:00,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 23:53:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:53:00,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:53:00,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:53:00,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:53:00,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:53:00,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:53:02,028 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 23:53:02,029 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:53:02,042 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:53:02,042 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:53:02,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:02 BoogieIcfgContainer [2024-11-08 23:53:02,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:53:02,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:53:02,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:53:02,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:53:02,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:53:00" (1/3) ... [2024-11-08 23:53:02,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500449c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:53:02, skipping insertion in model container [2024-11-08 23:53:02,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:00" (2/3) ... [2024-11-08 23:53:02,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500449c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:53:02, skipping insertion in model container [2024-11-08 23:53:02,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:02" (3/3) ... [2024-11-08 23:53:02,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-45.i [2024-11-08 23:53:02,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:53:02,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:53:02,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:53:02,135 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;@3b8d00b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:53:02,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:53:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 23:53:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 23:53:02,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:53:02,155 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 23:53:02,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:53:02,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:53:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2122602353, now seen corresponding path program 1 times [2024-11-08 23:53:02,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:53:02,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409605620] [2024-11-08 23:53:02,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:53:02,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:53:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:53:02,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:53:02,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 23:53:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:02,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:53:02,520 INFO L278 TraceCheckSpWp]: Computing forward predicates...