./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.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_25-1loop_file-80.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 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:46:08,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:08,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 23:46:08,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:46:08,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:46:08,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:08,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:46:08,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:46:08,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:46:08,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:46:08,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:08,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:46:08,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:08,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:08,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:46:08,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:08,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:08,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:46:08,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:46:08,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:46:08,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:08,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:08,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:08,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:08,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:08,847 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:46:08,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:08,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:08,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:08,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:46:08,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:46:08,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:46:08,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:46:08,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:08,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:08,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:08,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 23:46:08,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:46:08,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:46:08,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:46:08,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:46:08,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:46:08,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 [2024-11-08 23:46:09,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:09,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:09,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:09,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:09,087 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:09,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:10,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:10,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:10,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:10,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76fdb88b7/2a1b407e2d264661a00ec97d1e97c138/FLAGad4d28b4b [2024-11-08 23:46:10,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76fdb88b7/2a1b407e2d264661a00ec97d1e97c138 [2024-11-08 23:46:10,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:10,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:10,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:10,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:11,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:11,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:10" (1/1) ... [2024-11-08 23:46:11,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9164fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11, skipping insertion in model container [2024-11-08 23:46:11,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:10" (1/1) ... [2024-11-08 23:46:11,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:11,174 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_25-1loop_file-80.i[915,928] [2024-11-08 23:46:11,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:11,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:11,224 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_25-1loop_file-80.i[915,928] [2024-11-08 23:46:11,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:11,256 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:11,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11 WrapperNode [2024-11-08 23:46:11,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:11,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:11,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:11,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:11,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,318 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-11-08 23:46:11,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:11,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:11,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:11,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:11,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,361 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 23:46:11,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:11,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:11,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:11,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:11,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (1/1) ... [2024-11-08 23:46:11,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:46:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:46:11,426 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 23:46:11,436 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 23:46:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:46:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:46:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 23:46:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:11,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:11,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:11,833 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:11,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:11,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:11,846 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:46:11,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:11 BoogieIcfgContainer [2024-11-08 23:46:11,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:11,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:46:11,849 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:46:11,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:46:11,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:46:10" (1/3) ... [2024-11-08 23:46:11,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe94d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:46:11, skipping insertion in model container [2024-11-08 23:46:11,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:11" (2/3) ... [2024-11-08 23:46:11,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe94d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:46:11, skipping insertion in model container [2024-11-08 23:46:11,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:11" (3/3) ... [2024-11-08 23:46:11,854 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:11,868 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:46:11,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:46:11,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:46:11,924 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;@3df7446b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:46:11,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:46:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 23:46:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 23:46:11,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:46:11,937 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:11,938 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:46:11,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:11,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1343014372, now seen corresponding path program 1 times [2024-11-08 23:46:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:46:11,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939912669] [2024-11-08 23:46:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:46:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 23:46:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 23:46:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 23:46:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 23:46:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 23:46:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 23:46:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 23:46:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 23:46:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 23:46:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 23:46:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 23:46:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 23:46:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 23:46:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 23:46:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 23:46:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 23:46:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 23:46:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 23:46:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 23:46:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 23:46:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 23:46:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 23:46:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 23:46:12,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 23:46:12,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939912669] [2024-11-08 23:46:12,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939912669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:46:12,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:46:12,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:46:12,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541171677] [2024-11-08 23:46:12,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:46:12,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:46:12,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 23:46:12,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:46:12,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:46:12,294 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 23:46:12,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:46:12,326 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-11-08 23:46:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:46:12,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-08 23:46:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:46:12,359 INFO L225 Difference]: With dead ends: 119 [2024-11-08 23:46:12,359 INFO L226 Difference]: Without dead ends: 57 [2024-11-08 23:46:12,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:46:12,372 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:46:12,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:46:12,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-08 23:46:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-08 23:46:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 23:46:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-08 23:46:12,462 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 135 [2024-11-08 23:46:12,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:46:12,464 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-08 23:46:12,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 23:46:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-08 23:46:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 23:46:12,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:46:12,472 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:12,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 23:46:12,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:46:12,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash -720852384, now seen corresponding path program 1 times [2024-11-08 23:46:12,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 23:46:12,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612085490] [2024-11-08 23:46:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:46:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:46:12,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723468202] [2024-11-08 23:46:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:46:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:46:12,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:46:12,622 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 23:46:12,625 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 23:46:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:12,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:12,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 23:46:12,874 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 23:46:12,875 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 23:46:12,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 23:46:13,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 23:46:13,081 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 23:46:13,157 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 23:46:13,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 11:46:13 BoogieIcfgContainer [2024-11-08 23:46:13,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 23:46:13,162 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:46:13,162 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:46:13,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:46:13,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:11" (3/4) ... [2024-11-08 23:46:13,166 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:46:13,167 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:46:13,167 INFO L158 Benchmark]: Toolchain (without parser) took 2169.93ms. Allocated memory was 180.4MB in the beginning and 257.9MB in the end (delta: 77.6MB). Free memory was 106.0MB in the beginning and 181.1MB in the end (delta: -75.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,168 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:13,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.69ms. Allocated memory is still 180.4MB. Free memory was 105.7MB in the beginning and 91.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.59ms. Allocated memory is still 180.4MB. Free memory was 91.5MB in the beginning and 148.2MB in the end (delta: -56.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,170 INFO L158 Benchmark]: Boogie Preprocessor took 68.82ms. Allocated memory was 180.4MB in the beginning and 257.9MB in the end (delta: 77.6MB). Free memory was 148.2MB in the beginning and 227.9MB in the end (delta: -79.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,171 INFO L158 Benchmark]: RCFGBuilder took 455.99ms. Allocated memory is still 257.9MB. Free memory was 227.9MB in the beginning and 211.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,171 INFO L158 Benchmark]: TraceAbstraction took 1312.89ms. Allocated memory is still 257.9MB. Free memory was 210.1MB in the beginning and 182.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 23:46:13,171 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 257.9MB. Free memory is still 181.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:13,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 180.4MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.69ms. Allocated memory is still 180.4MB. Free memory was 105.7MB in the beginning and 91.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.59ms. Allocated memory is still 180.4MB. Free memory was 91.5MB in the beginning and 148.2MB in the end (delta: -56.7MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.82ms. Allocated memory was 180.4MB in the beginning and 257.9MB in the end (delta: 77.6MB). Free memory was 148.2MB in the beginning and 227.9MB in the end (delta: -79.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.99ms. Allocated memory is still 257.9MB. Free memory was 227.9MB in the beginning and 211.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.89ms. Allocated memory is still 257.9MB. Free memory was 210.1MB in the beginning and 182.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 257.9MB. Free memory is still 181.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_2 = -128; [L24] signed long int var_1_3 = 8; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 8; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] signed long int var_1_8 = 128; [L30] signed short int var_1_9 = 128; [L31] float var_1_10 = 64.4; [L32] float var_1_11 = 10.25; [L33] double var_1_12 = 63.175; [L34] unsigned char var_1_13 = 1; [L35] double var_1_14 = 128.5; [L36] double var_1_15 = 128.8; VAL [isInitial=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L107] isInitial = 1 [L108] FCALL initially() [L109] int k_loop; [L110] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=-128, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L110] COND TRUE k_loop < 1 [L111] FCALL updateLastVariables() [L112] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_long() [L66] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L66] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L67] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L68] var_1_3 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L69] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L70] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L71] var_1_4 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=8, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=10, var_1_7=5, var_1_8=128, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=128, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L81] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L82] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=128, var_1_9=128] [L83] var_1_8 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L84] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L85] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L86] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=128] [L87] var_1_9 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_9 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L88] RET assume_abort_if_not(var_1_9 >= -32767) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L89] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=322/5, var_1_11=41/4, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L90] var_1_11 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && 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_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L91] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L92] var_1_13 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L94] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_14=257/2, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L95] var_1_14 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L96] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_15=644/5, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L97] var_1_15 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L98] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=256, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE (((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8)))) [L41] var_1_1 = var_1_9 VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L43] COND FALSE !(var_1_8 > var_1_1) VAL [isInitial=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L48] signed long int stepLocal_1 = var_1_5; [L49] signed short int stepLocal_0 = var_1_1; VAL [isInitial=1, stepLocal_0=3, stepLocal_1=1, var_1_10=322/5, var_1_12=2527/40, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L50] COND FALSE !(stepLocal_0 <= var_1_8) [L61] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L113] RET step() [L114] CALL, EXPR property() [L103-L104] return ((((((((var_1_3 - var_1_4)) > (var_1_2)) ? ((var_1_3 - var_1_4)) : (var_1_2))) <= (((((var_1_5 - var_1_6)) < ((var_1_7 % var_1_8))) ? ((var_1_5 - var_1_6)) : ((var_1_7 % var_1_8))))) ? (var_1_1 == ((signed short int) var_1_9)) : 1) && ((var_1_8 > var_1_1) ? ((var_1_1 == var_1_4) ? (var_1_10 == ((float) var_1_11)) : 1) : 1)) && ((var_1_1 <= var_1_8) ? ((var_1_5 != -64) ? (var_1_13 ? (var_1_12 == ((double) ((((var_1_14 - var_1_15) < 0 ) ? -(var_1_14 - var_1_15) : (var_1_14 - var_1_15))))) : (var_1_12 == ((double) (var_1_15 - var_1_14)))) : (var_1_12 == ((double) 32.8))) : (var_1_12 == ((double) var_1_11))) ; VAL [\result=0, isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=322/5, var_1_11=2, var_1_12=2, var_1_13=1, var_1_1=3, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=2, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 22, 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, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 88 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 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 23:46:13,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.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 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 23:46:15,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:15,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 23:46:15,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:46:15,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 23:46:15,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:15,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 23:46:15,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 23:46:15,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 23:46:15,260 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 23:46:15,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:15,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 23:46:15,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:15,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:15,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 23:46:15,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:15,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:15,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:46:15,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:46:15,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:15,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:15,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:15,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:15,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:46:15,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:46:15,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:15,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:46:15,272 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:46:15,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:15,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:15,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:15,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:46:15,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 23:46:15,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:15,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 23:46:15,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 23:46:15,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 23:46:15,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 23:46:15,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f49db024cf89bfd4f79528ea90efdc9ebcf8b7a9e599658c336eeffe7b60010 [2024-11-08 23:46:15,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:15,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:15,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:15,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:15,556 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:15,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:16,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:17,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:17,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:17,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33645d94/9642797638694f58871cb3f1a7cfc1fa/FLAGb5e3073a6 [2024-11-08 23:46:17,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33645d94/9642797638694f58871cb3f1a7cfc1fa [2024-11-08 23:46:17,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:17,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:17,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:17,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:17,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:17,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d44b2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17, skipping insertion in model container [2024-11-08 23:46:17,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,080 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:17,258 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_25-1loop_file-80.i[915,928] [2024-11-08 23:46:17,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:17,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:17,328 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_25-1loop_file-80.i[915,928] [2024-11-08 23:46:17,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:17,370 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:17,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17 WrapperNode [2024-11-08 23:46:17,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:17,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:17,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:17,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:17,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,417 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-08 23:46:17,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:17,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:17,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:17,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:17,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,446 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 23:46:17,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:17,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:17,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:17,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:17,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 23:46:17,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 23:46:17,512 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 23:46:17,515 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 23:46:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 23:46:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:46:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:46:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:17,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:17,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:17,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:18,899 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:18,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:18,913 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:18,916 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:46:18,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:18 BoogieIcfgContainer [2024-11-08 23:46:18,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:18,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 23:46:18,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 23:46:18,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 23:46:18,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 11:46:17" (1/3) ... [2024-11-08 23:46:18,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de986de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:46:18, skipping insertion in model container [2024-11-08 23:46:18,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:17" (2/3) ... [2024-11-08 23:46:18,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de986de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 11:46:18, skipping insertion in model container [2024-11-08 23:46:18,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:18" (3/3) ... [2024-11-08 23:46:18,926 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-80.i [2024-11-08 23:46:18,937 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 23:46:18,937 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 23:46:18,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 23:46:19,002 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;@7fc0c10c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 23:46:19,002 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 23:46:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 23:46:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 23:46:19,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:46:19,018 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:19,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:46:19,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1343014372, now seen corresponding path program 1 times [2024-11-08 23:46:19,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:46:19,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561057751] [2024-11-08 23:46:19,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:46:19,056 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 23:46:19,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:46:19,059 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 23:46:19,060 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 23:46:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:19,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:46:19,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-08 23:46:19,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 23:46:19,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 23:46:19,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561057751] [2024-11-08 23:46:19,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561057751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 23:46:19,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 23:46:19,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 23:46:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797161987] [2024-11-08 23:46:19,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 23:46:19,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 23:46:19,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 23:46:19,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 23:46:19,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:46:19,504 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 23:46:19,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 23:46:19,529 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-11-08 23:46:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 23:46:19,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-08 23:46:19,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 23:46:19,539 INFO L225 Difference]: With dead ends: 119 [2024-11-08 23:46:19,539 INFO L226 Difference]: Without dead ends: 57 [2024-11-08 23:46:19,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 23:46:19,548 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 23:46:19,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 23:46:19,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-08 23:46:19,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-08 23:46:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 23:46:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-08 23:46:19,594 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 135 [2024-11-08 23:46:19,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 23:46:19,595 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-08 23:46:19,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 23:46:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-08 23:46:19,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 23:46:19,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 23:46:19,598 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:19,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 23:46:19,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 23:46:19,804 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 23:46:19,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:19,805 INFO L85 PathProgramCache]: Analyzing trace with hash -720852384, now seen corresponding path program 1 times [2024-11-08 23:46:19,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 23:46:19,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974046695] [2024-11-08 23:46:19,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 23:46:19,806 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 23:46:19,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 23:46:19,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 23:46:19,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 23:46:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:46:20,179 INFO L278 TraceCheckSpWp]: Computing forward predicates...