./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_operatoramount_amount25_file-77.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 fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:57:41,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:57:41,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 23:57:41,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:57:41,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:57:41,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:57:41,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:57:41,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:57:41,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:57:41,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:57:41,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:57:41,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:57:41,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:57:41,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:57:41,250 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:57:41,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:57:41,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:57:41,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:57:41,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 23:57:41,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:57:41,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:57:41,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:57:41,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:57:41,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:57:41,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:57:41,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:57:41,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:57:41,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:57:41,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:57:41,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:57:41,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:57:41,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:57:41,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:57:41,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:57:41,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:57:41,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:57:41,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 23:57:41,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 23:57:41,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:57:41,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:57:41,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:57:41,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:57:41,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 [2024-11-18 23:57:41,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:57:41,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:57:41,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:57:41,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:57:41,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:57:41,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:42,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:57:43,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:57:43,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:43,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdc6f099/536604b49144492ea41bfcfc383fe78d/FLAG655ad91e4 [2024-11-18 23:57:43,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdc6f099/536604b49144492ea41bfcfc383fe78d [2024-11-18 23:57:43,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:57:43,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:57:43,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:57:43,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:57:43,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:57:43,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7664a90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43, skipping insertion in model container [2024-11-18 23:57:43,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:57:43,716 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_operatoramount_amount25_file-77.i[915,928] [2024-11-18 23:57:43,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:57:43,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:57:43,806 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_operatoramount_amount25_file-77.i[915,928] [2024-11-18 23:57:43,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:57:43,857 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:57:43,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43 WrapperNode [2024-11-18 23:57:43,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:57:43,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:57:43,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:57:43,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:57:43,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,927 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-18 23:57:43,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:57:43,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:57:43,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:57:43,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:57:43,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,965 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 23:57:43,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:43,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:57:43,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:57:43,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:57:43,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:57:43,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (1/1) ... [2024-11-18 23:57:44,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:57:44,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:57:44,041 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) [2024-11-18 23:57:44,048 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 [2024-11-18 23:57:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:57:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:57:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:57:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 23:57:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:57:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:57:44,168 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:57:44,172 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:57:44,408 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-18 23:57:44,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:57:44,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:57:44,421 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:57:44,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44 BoogieIcfgContainer [2024-11-18 23:57:44,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:57:44,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:57:44,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:57:44,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:57:44,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:57:43" (1/3) ... [2024-11-18 23:57:44,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9c5c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:44, skipping insertion in model container [2024-11-18 23:57:44,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:43" (2/3) ... [2024-11-18 23:57:44,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9c5c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:44, skipping insertion in model container [2024-11-18 23:57:44,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44" (3/3) ... [2024-11-18 23:57:44,428 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:44,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:57:44,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:57:44,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:57:44,533 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;@61025821, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:57:44,533 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:57:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-18 23:57:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 23:57:44,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:57:44,552 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:57:44,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:57:44,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:57:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 875431694, now seen corresponding path program 1 times [2024-11-18 23:57:44,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:57:44,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554611585] [2024-11-18 23:57:44,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:57:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:57:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:57:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-18 23:57:44,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 23:57:44,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554611585] [2024-11-18 23:57:44,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554611585] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 23:57:44,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086203156] [2024-11-18 23:57:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:57:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 23:57:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:57:44,863 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) [2024-11-18 23:57:44,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 23:57:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:57:45,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:57:45,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:57:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-18 23:57:45,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:57:45,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086203156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:57:45,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 23:57:45,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 23:57:45,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774220457] [2024-11-18 23:57:45,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:57:45,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:57:45,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 23:57:45,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:57:45,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:57:45,099 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 23:57:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:57:45,128 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2024-11-18 23:57:45,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:57:45,130 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-18 23:57:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:57:45,138 INFO L225 Difference]: With dead ends: 91 [2024-11-18 23:57:45,138 INFO L226 Difference]: Without dead ends: 45 [2024-11-18 23:57:45,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:57:45,148 INFO L432 NwaCegarLoop]: 63 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, 63 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 [2024-11-18 23:57:45,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:57:45,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-18 23:57:45,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-18 23:57:45,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-18 23:57:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-18 23:57:45,188 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-18 23:57:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:57:45,190 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-18 23:57:45,190 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 23:57:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-18 23:57:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 23:57:45,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:57:45,195 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:57:45,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 23:57:45,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 23:57:45,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:57:45,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:57:45,398 INFO L85 PathProgramCache]: Analyzing trace with hash 91246868, now seen corresponding path program 1 times [2024-11-18 23:57:45,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 23:57:45,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639342909] [2024-11-18 23:57:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:57:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 23:57:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:57:45,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 23:57:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 23:57:45,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 23:57:45,720 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 23:57:45,721 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 23:57:45,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 23:57:45,727 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-18 23:57:45,796 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 23:57:45,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:57:45 BoogieIcfgContainer [2024-11-18 23:57:45,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 23:57:45,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 23:57:45,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 23:57:45,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 23:57:45,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44" (3/4) ... [2024-11-18 23:57:45,803 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 23:57:45,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 23:57:45,804 INFO L158 Benchmark]: Toolchain (without parser) took 2296.50ms. Allocated memory is still 174.1MB. Free memory was 106.8MB in the beginning and 125.8MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:57:45,805 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:57:45,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.68ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 92.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 23:57:45,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.91ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 146.0MB in the end (delta: -53.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-18 23:57:45,806 INFO L158 Benchmark]: Boogie Preprocessor took 66.94ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 141.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 23:57:45,806 INFO L158 Benchmark]: RCFGBuilder took 425.80ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 124.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 23:57:45,807 INFO L158 Benchmark]: TraceAbstraction took 1375.65ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 126.8MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 23:57:45,807 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 125.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 23:57:45,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.68ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 92.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.91ms. Allocated memory is still 174.1MB. Free memory was 92.0MB in the beginning and 146.0MB in the end (delta: -53.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.94ms. Allocated memory is still 174.1MB. Free memory was 146.0MB in the beginning and 141.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 425.80ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 124.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1375.65ms. Allocated memory is still 174.1MB. Free memory was 123.7MB in the beginning and 126.8MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 125.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. 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 88, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] unsigned short int var_1_12 = 0; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float var_1_16 = 0.8; [L35] unsigned short int var_1_17 = 64; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L61] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L63] var_1_5 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L64] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L66] var_1_6 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L67] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] var_1_7 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L70] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_8=319/5, var_1_9=99/2] [L71] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5, var_1_9=99/2] [L72] var_1_9 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L74] var_1_10 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L75] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L76] var_1_11 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L77] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L82] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_12=0, var_1_13=-255, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=319/5] [L96] RET updateVariables() [L97] CALL step() [L39] COND TRUE var_1_7 > var_1_5 [L40] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L44] var_1_16 = var_1_11 [L45] var_1_17 = var_1_5 VAL [isInitial=1, var_1_11=60877, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=50, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L46] COND TRUE var_1_8 != var_1_16 [L47] var_1_1 = (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) VAL [isInitial=1, var_1_11=60877, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L49] unsigned char stepLocal_1 = var_1_13; [L50] signed long int stepLocal_0 = (((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)); VAL [isInitial=1, stepLocal_0=16368, stepLocal_1=-255, var_1_11=60877, var_1_12=0, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L51] COND FALSE !(stepLocal_1 && var_1_14) [L56] var_1_12 = 64 VAL [isInitial=1, stepLocal_0=16368, var_1_11=60877, var_1_12=64, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((((var_1_8 != var_1_16) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - 1.6f))))) && ((var_1_13 && var_1_14) ? ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) < ((((32) > ((var_1_1 - var_1_7))) ? (32) : ((var_1_1 - var_1_7))))) ? (var_1_12 == ((unsigned short int) (var_1_7 + 5))) : 1) : (var_1_12 == ((unsigned short int) 64)))) && (var_1_16 == ((float) var_1_11))) && (var_1_17 == ((unsigned short int) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] [L19] reach_error() VAL [isInitial=1, var_1_11=60877, var_1_12=64, var_1_13=-255, var_1_14=0, var_1_16=60877, var_1_17=16368, var_1_1=16400, var_1_4=-1072660480, var_1_5=16368, var_1_6=32737, var_1_7=16369, var_1_8=60876, var_1_9=60876] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 15, 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, 63 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, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 23:57:45,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.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 fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 23:57:47,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 23:57:48,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 23:57:48,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 23:57:48,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 23:57:48,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 23:57:48,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 23:57:48,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 23:57:48,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 23:57:48,075 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 23:57:48,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 23:57:48,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 23:57:48,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 23:57:48,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 23:57:48,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 23:57:48,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 23:57:48,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 23:57:48,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 23:57:48,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 23:57:48,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 23:57:48,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 23:57:48,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 23:57:48,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 23:57:48,085 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 23:57:48,085 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 23:57:48,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 23:57:48,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 23:57:48,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 23:57:48,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 23:57:48,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 23:57:48,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 23:57:48,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 23:57:48,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 23:57:48,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 23:57:48,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:57:48,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 23:57:48,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 23:57:48,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 23:57:48,088 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 23:57:48,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 23:57:48,089 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 23:57:48,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 23:57:48,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 23:57:48,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 23:57:48,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 [2024-11-18 23:57:48,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 23:57:48,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 23:57:48,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 23:57:48,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 23:57:48,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 23:57:48,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:50,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 23:57:50,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 23:57:50,272 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:50,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61aa9fa4/9cc09817c4fb4e1f8a45b00b29b8e17f/FLAG87d17da7b [2024-11-18 23:57:50,294 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61aa9fa4/9cc09817c4fb4e1f8a45b00b29b8e17f [2024-11-18 23:57:50,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 23:57:50,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 23:57:50,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 23:57:50,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 23:57:50,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 23:57:50,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c999629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50, skipping insertion in model container [2024-11-18 23:57:50,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 23:57:50,537 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_operatoramount_amount25_file-77.i[915,928] [2024-11-18 23:57:50,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:57:50,623 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 23:57:50,636 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_operatoramount_amount25_file-77.i[915,928] [2024-11-18 23:57:50,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 23:57:50,692 INFO L204 MainTranslator]: Completed translation [2024-11-18 23:57:50,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50 WrapperNode [2024-11-18 23:57:50,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 23:57:50,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 23:57:50,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 23:57:50,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 23:57:50,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,746 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-18 23:57:50,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 23:57:50,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 23:57:50,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 23:57:50,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 23:57:50,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,785 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]. [2024-11-18 23:57:50,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 23:57:50,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 23:57:50,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 23:57:50,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 23:57:50,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (1/1) ... [2024-11-18 23:57:50,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 23:57:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 23:57:50,861 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) [2024-11-18 23:57:50,868 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 [2024-11-18 23:57:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 23:57:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 23:57:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 23:57:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 23:57:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 23:57:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 23:57:50,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 23:57:50,992 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 23:57:51,438 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-18 23:57:51,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 23:57:51,452 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 23:57:51,452 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 23:57:51,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:51 BoogieIcfgContainer [2024-11-18 23:57:51,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 23:57:51,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 23:57:51,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 23:57:51,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 23:57:51,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:57:50" (1/3) ... [2024-11-18 23:57:51,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64884999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:51, skipping insertion in model container [2024-11-18 23:57:51,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:50" (2/3) ... [2024-11-18 23:57:51,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64884999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:51, skipping insertion in model container [2024-11-18 23:57:51,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:51" (3/3) ... [2024-11-18 23:57:51,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-77.i [2024-11-18 23:57:51,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 23:57:51,479 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 23:57:51,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 23:57:51,551 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;@52c1cb12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 23:57:51,552 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 23:57:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-18 23:57:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 23:57:51,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:57:51,567 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:57:51,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:57:51,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:57:51,572 INFO L85 PathProgramCache]: Analyzing trace with hash 875431694, now seen corresponding path program 1 times [2024-11-18 23:57:51,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:57:51,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388704522] [2024-11-18 23:57:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:57:51,584 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 [2024-11-18 23:57:51,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:57:51,588 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) [2024-11-18 23:57:51,590 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 [2024-11-18 23:57:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:57:51,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 23:57:51,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 23:57:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-18 23:57:51,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 23:57:51,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 23:57:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388704522] [2024-11-18 23:57:51,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388704522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 23:57:51,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 23:57:51,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 23:57:51,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134887667] [2024-11-18 23:57:51,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 23:57:51,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 23:57:51,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 23:57:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 23:57:51,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:57:51,917 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 23:57:51,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 23:57:51,942 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2024-11-18 23:57:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 23:57:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2024-11-18 23:57:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 23:57:51,950 INFO L225 Difference]: With dead ends: 91 [2024-11-18 23:57:51,950 INFO L226 Difference]: Without dead ends: 45 [2024-11-18 23:57:51,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 23:57:51,956 INFO L432 NwaCegarLoop]: 63 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, 63 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 [2024-11-18 23:57:51,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 23:57:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-18 23:57:51,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-18 23:57:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-18 23:57:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-18 23:57:51,996 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2024-11-18 23:57:51,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 23:57:51,996 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-18 23:57:51,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-18 23:57:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-18 23:57:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 23:57:52,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 23:57:52,001 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 23:57:52,007 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 [2024-11-18 23:57:52,201 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 [2024-11-18 23:57:52,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 23:57:52,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 23:57:52,203 INFO L85 PathProgramCache]: Analyzing trace with hash 91246868, now seen corresponding path program 1 times [2024-11-18 23:57:52,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 23:57:52,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524675948] [2024-11-18 23:57:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 23:57:52,204 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 [2024-11-18 23:57:52,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 23:57:52,206 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) [2024-11-18 23:57:52,208 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 [2024-11-18 23:57:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 23:57:52,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-18 23:57:52,420 INFO L278 TraceCheckSpWp]: Computing forward predicates...