./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.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 7c74c3ea5cd1e3613d6a4268ed79a5fd5c59e1466c77dbda20ae29e076810a4a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:15:35,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:15:35,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 01:15:35,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:15:35,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:15:35,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:15:35,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:15:35,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:15:35,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:15:35,440 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:15:35,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:15:35,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:15:35,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:15:35,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:15:35,441 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:15:35,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:15:35,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:15:35,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:15:35,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:15:35,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:15:35,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:15:35,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:15:35,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:15:35,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:15:35,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:15:35,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:15:35,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:15:35,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:15:35,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:15:35,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:15:35,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:15:35,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:15:35,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:15:35,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:15:35,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:15:35,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:15:35,452 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 01:15:35,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:15:35,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:15:35,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:15:35,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:15:35,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:15:35,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c74c3ea5cd1e3613d6a4268ed79a5fd5c59e1466c77dbda20ae29e076810a4a [2024-11-09 01:15:35,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:15:35,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:15:35,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:15:35,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:15:35,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:15:35,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2024-11-09 01:15:37,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:15:37,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:15:37,492 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2024-11-09 01:15:37,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94199c8cb/ec7b5ec291f6496b8f89863a95609b4c/FLAG4841dda6c [2024-11-09 01:15:37,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94199c8cb/ec7b5ec291f6496b8f89863a95609b4c [2024-11-09 01:15:37,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:15:37,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:15:37,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:15:37,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:15:37,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:15:37,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:15:37" (1/1) ... [2024-11-09 01:15:37,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d5dd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:37, skipping insertion in model container [2024-11-09 01:15:37,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:15:37" (1/1) ... [2024-11-09 01:15:37,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:15:38,078 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_amount50_file-95.i[915,928] [2024-11-09 01:15:38,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:15:38,145 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:15:38,156 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_amount50_file-95.i[915,928] [2024-11-09 01:15:38,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:15:38,203 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:15:38,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38 WrapperNode [2024-11-09 01:15:38,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:15:38,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:15:38,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:15:38,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:15:38,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,253 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-09 01:15:38,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:15:38,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:15:38,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:15:38,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:15:38,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,275 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,294 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]. [2024-11-09 01:15:38,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:15:38,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:15:38,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:15:38,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:15:38,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (1/1) ... [2024-11-09 01:15:38,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:15:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:15:38,367 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) [2024-11-09 01:15:38,370 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 [2024-11-09 01:15:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:15:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:15:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:15:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 01:15:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:15:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:15:38,510 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:15:38,513 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:15:38,822 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 01:15:38,822 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:15:38,841 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:15:38,842 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:15:38,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:15:38 BoogieIcfgContainer [2024-11-09 01:15:38,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:15:38,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:15:38,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:15:38,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:15:38,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:15:37" (1/3) ... [2024-11-09 01:15:38,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ec153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:15:38, skipping insertion in model container [2024-11-09 01:15:38,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:15:38" (2/3) ... [2024-11-09 01:15:38,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134ec153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:15:38, skipping insertion in model container [2024-11-09 01:15:38,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:15:38" (3/3) ... [2024-11-09 01:15:38,855 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-95.i [2024-11-09 01:15:38,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:15:38,873 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:15:38,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:15:38,970 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;@117fd819, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:15:38,970 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:15:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 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) [2024-11-09 01:15:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 01:15:38,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:38,993 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, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:38,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:38,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:39,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1632324354, now seen corresponding path program 1 times [2024-11-09 01:15:39,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:15:39,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594765772] [2024-11-09 01:15:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:39,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:15:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 01:15:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 01:15:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:15:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:15:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 01:15:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:15:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 01:15:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:15:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 01:15:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:15:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 01:15:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:15:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 01:15:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:15:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 01:15:39,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:15:39,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594765772] [2024-11-09 01:15:39,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594765772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:39,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:15:39,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:15:39,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940727467] [2024-11-09 01:15:39,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:39,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:15:39,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:15:39,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:15:39,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:15:39,525 INFO L87 Difference]: Start difference. First operand has 65 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:15:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:39,562 INFO L93 Difference]: Finished difference Result 122 states and 205 transitions. [2024-11-09 01:15:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:15:39,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 1 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 104 [2024-11-09 01:15:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:39,575 INFO L225 Difference]: With dead ends: 122 [2024-11-09 01:15:39,575 INFO L226 Difference]: Without dead ends: 60 [2024-11-09 01:15:39,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:15:39,583 INFO L432 NwaCegarLoop]: 89 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, 89 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 [2024-11-09 01:15:39,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:15:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-09 01:15:39,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-09 01:15:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 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) [2024-11-09 01:15:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-11-09 01:15:39,631 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 104 [2024-11-09 01:15:39,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:39,631 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-11-09 01:15:39,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 01:15:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-09 01:15:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 01:15:39,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:39,636 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, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:39,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:15:39,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:39,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:39,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1138157052, now seen corresponding path program 1 times [2024-11-09 01:15:39,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:15:39,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641911927] [2024-11-09 01:15:39,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 01:15:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 01:15:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 01:15:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 01:15:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-09 01:15:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 01:15:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 01:15:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 01:15:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 01:15:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 01:15:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 01:15:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 01:15:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 01:15:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 01:15:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 01:15:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 01:15:55,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 01:15:55,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641911927] [2024-11-09 01:15:55,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641911927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:55,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:15:55,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 01:15:55,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568430783] [2024-11-09 01:15:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:55,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 01:15:55,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 01:15:55,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 01:15:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:15:55,683 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:15:56,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:56,154 INFO L93 Difference]: Finished difference Result 198 states and 277 transitions. [2024-11-09 01:15:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:15:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2024-11-09 01:15:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:56,159 INFO L225 Difference]: With dead ends: 198 [2024-11-09 01:15:56,159 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 01:15:56,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 01:15:56,164 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 96 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:56,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 448 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:15:56,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 01:15:56,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 92. [2024-11-09 01:15:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.375) internal successors, (99), 73 states have internal predecessors, (99), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 01:15:56,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2024-11-09 01:15:56,194 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 104 [2024-11-09 01:15:56,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:56,195 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2024-11-09 01:15:56,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:15:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2024-11-09 01:15:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 01:15:56,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:56,199 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, 1, 1, 1, 1, 1, 1] [2024-11-09 01:15:56,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 01:15:56,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:56,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:56,200 INFO L85 PathProgramCache]: Analyzing trace with hash -458098682, now seen corresponding path program 1 times [2024-11-09 01:15:56,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 01:15:56,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967339086] [2024-11-09 01:15:56,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:56,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:15:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:15:56,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035205756] [2024-11-09 01:15:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:56,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:15:56,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:15:56,268 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) [2024-11-09 01:15:56,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:15:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:15:56,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:15:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:15:56,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 01:15:56,577 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:15:56,578 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:15:56,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 01:15:56,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:15:56,786 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-09 01:15:56,880 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:15:56,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:15:56 BoogieIcfgContainer [2024-11-09 01:15:56,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:15:56,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:15:56,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:15:56,888 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:15:56,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:15:38" (3/4) ... [2024-11-09 01:15:56,891 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:15:56,892 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:15:56,894 INFO L158 Benchmark]: Toolchain (without parser) took 19032.87ms. Allocated memory was 176.2MB in the beginning and 943.7MB in the end (delta: 767.6MB). Free memory was 118.2MB in the beginning and 499.8MB in the end (delta: -381.6MB). Peak memory consumption was 387.4MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,896 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:15:56,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.35ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 101.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.79ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 97.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,897 INFO L158 Benchmark]: Boogie Preprocessor took 59.39ms. Allocated memory is still 176.2MB. Free memory was 97.9MB in the beginning and 93.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,898 INFO L158 Benchmark]: RCFGBuilder took 527.76ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 72.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,898 INFO L158 Benchmark]: TraceAbstraction took 18042.25ms. Allocated memory was 176.2MB in the beginning and 943.7MB in the end (delta: 767.6MB). Free memory was 70.7MB in the beginning and 499.8MB in the end (delta: -429.1MB). Peak memory consumption was 339.2MB. Max. memory is 16.1GB. [2024-11-09 01:15:56,898 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 943.7MB. Free memory is still 499.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:15:56,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.35ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 101.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.79ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 97.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.39ms. Allocated memory is still 176.2MB. Free memory was 97.9MB in the beginning and 93.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 527.76ms. Allocated memory is still 176.2MB. Free memory was 93.0MB in the beginning and 72.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 18042.25ms. Allocated memory was 176.2MB in the beginning and 943.7MB in the end (delta: 767.6MB). Free memory was 70.7MB in the beginning and 499.8MB in the end (delta: -429.1MB). Peak memory consumption was 339.2MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 943.7MB. Free memory is still 499.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L37] unsigned short int last_1_var_1_11 = 0; [L38] float last_1_var_1_12 = 64.75; [L39] unsigned long int last_1_var_1_15 = 32; VAL [isInitial=0, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_2=129/4, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L111] last_1_var_1_11 = var_1_11 [L112] last_1_var_1_12 = var_1_12 [L113] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_2=129/4, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L123] RET updateLastVariables() [L124] CALL updateVariables() [L85] var_1_2 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L86] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_3=33/2, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L87] var_1_3 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L88] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L89] var_1_4 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L91] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L92] var_1_5 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L93] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L94] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L95] var_1_6 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_7=-5, var_1_8=0, var_1_9=-10] [L96] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_7=-5, var_1_8=0, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=0, var_1_9=-10] [L97] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=0, var_1_9=-10] [L98] var_1_8 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_9=-10] [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-10] [L100] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-10] [L101] var_1_9 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L102] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L103] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L103] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L104] var_1_13 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L105] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L106] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L106] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L108] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L124] RET updateVariables() [L125] CALL step() [L43] unsigned long int stepLocal_1 = var_1_6 - last_1_var_1_15; VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, stepLocal_1=31, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L44] EXPR last_1_var_1_11 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, stepLocal_1=31, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L44] COND FALSE !(stepLocal_1 < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) [L49] COND FALSE !((var_1_5 <= var_1_4) && var_1_8) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=-5, var_1_8=1, var_1_9=-63] [L56] COND TRUE (-8 * var_1_11) < var_1_4 [L57] var_1_7 = 1 VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L62] COND TRUE 128 >= last_1_var_1_15 [L63] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L67] COND FALSE !(var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L70] COND FALSE !((10.8 + var_1_12) <= (- var_1_12)) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L73] unsigned char stepLocal_0 = var_1_4; VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L74] COND FALSE !(-4 >= stepLocal_0) [L81] var_1_10 = var_1_4 VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR (((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L116-L117] return (((((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= last_1_var_1_15) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_7))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=1, var_1_11=0, var_1_12=259/4, var_1_15=64, var_1_1=32, var_1_4=-255, var_1_5=95, var_1_6=63, var_1_7=1, var_1_8=1, var_1_9=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.9s, OverallIterations: 3, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 537 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 345 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 192 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 49 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 840/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:15:56,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.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 7c74c3ea5cd1e3613d6a4268ed79a5fd5c59e1466c77dbda20ae29e076810a4a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 01:15:59,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:15:59,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 01:15:59,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:15:59,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:15:59,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:15:59,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:15:59,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:15:59,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 01:15:59,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 01:15:59,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:15:59,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:15:59,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:15:59,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:15:59,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 01:15:59,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:15:59,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:15:59,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:15:59,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:15:59,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:15:59,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:15:59,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:15:59,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:15:59,414 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:15:59,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:15:59,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:15:59,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:15:59,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:15:59,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:15:59,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:15:59,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:15:59,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:15:59,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:15:59,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:15:59,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:15:59,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:15:59,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:15:59,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:15:59,419 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 01:15:59,419 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:59,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:15:59,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 01:15:59,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 01:15:59,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:15:59,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c74c3ea5cd1e3613d6a4268ed79a5fd5c59e1466c77dbda20ae29e076810a4a [2024-11-09 01:15:59,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:15:59,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:15:59,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:15:59,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:15:59,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:15:59,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2024-11-09 01:16:01,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:16:01,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:16:01,486 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2024-11-09 01:16:01,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ee32102/82734306d062428e944231a466f9f000/FLAG2896b9738 [2024-11-09 01:16:01,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ee32102/82734306d062428e944231a466f9f000 [2024-11-09 01:16:01,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:16:01,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:16:01,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:01,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:16:01,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:16:01,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46208908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01, skipping insertion in model container [2024-11-09 01:16:01,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:16:01,732 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_amount50_file-95.i[915,928] [2024-11-09 01:16:01,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:01,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:16:01,826 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_amount50_file-95.i[915,928] [2024-11-09 01:16:01,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:16:01,906 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:16:01,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01 WrapperNode [2024-11-09 01:16:01,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:16:01,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:01,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:16:01,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:16:01,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,961 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-09 01:16:01,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:16:01,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:16:01,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:16:01,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:16:01,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:01,997 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]. [2024-11-09 01:16:02,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:16:02,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:16:02,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:16:02,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:16:02,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (1/1) ... [2024-11-09 01:16:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 01:16:02,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 01:16:02,059 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) [2024-11-09 01:16:02,063 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 [2024-11-09 01:16:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:16:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 01:16:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:16:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:16:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:16:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:16:02,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:16:02,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:16:12,240 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-09 01:16:12,241 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:16:12,258 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:16:12,258 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:16:12,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:12 BoogieIcfgContainer [2024-11-09 01:16:12,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:16:12,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:16:12,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:16:12,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:16:12,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:16:01" (1/3) ... [2024-11-09 01:16:12,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cb18ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:12, skipping insertion in model container [2024-11-09 01:16:12,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:16:01" (2/3) ... [2024-11-09 01:16:12,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cb18ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:16:12, skipping insertion in model container [2024-11-09 01:16:12,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:16:12" (3/3) ... [2024-11-09 01:16:12,268 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-95.i [2024-11-09 01:16:12,283 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:16:12,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:16:12,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:16:12,342 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;@598fd71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:16:12,342 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:16:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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) [2024-11-09 01:16:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 01:16:12,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:12,355 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, 1, 1, 1] [2024-11-09 01:16:12,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:12,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1733124500, now seen corresponding path program 1 times [2024-11-09 01:16:12,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:16:12,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453968947] [2024-11-09 01:16:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:12,371 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 [2024-11-09 01:16:12,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:16:12,373 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) [2024-11-09 01:16:12,389 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 [2024-11-09 01:16:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:13,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:16:13,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-09 01:16:13,188 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:13,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 01:16:13,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453968947] [2024-11-09 01:16:13,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453968947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:13,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:13,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:16:13,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925144012] [2024-11-09 01:16:13,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:13,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 01:16:13,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 01:16:13,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 01:16:13,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:16:13,236 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-09 01:16:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:13,267 INFO L93 Difference]: Finished difference Result 100 states and 169 transitions. [2024-11-09 01:16:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 01:16:13,269 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 101 [2024-11-09 01:16:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:13,277 INFO L225 Difference]: With dead ends: 100 [2024-11-09 01:16:13,278 INFO L226 Difference]: Without dead ends: 49 [2024-11-09 01:16:13,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 01:16:13,286 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-09 01:16:13,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 01:16:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-09 01:16:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-09 01:16:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 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) [2024-11-09 01:16:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-09 01:16:13,334 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 101 [2024-11-09 01:16:13,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:13,335 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-09 01:16:13,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-09 01:16:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-09 01:16:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 01:16:13,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:13,341 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, 1, 1, 1] [2024-11-09 01:16:13,368 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:13,542 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 [2024-11-09 01:16:13,543 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:13,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash -614349018, now seen corresponding path program 1 times [2024-11-09 01:16:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:16:13,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786767628] [2024-11-09 01:16:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:13,545 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 [2024-11-09 01:16:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:16:13,548 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) [2024-11-09 01:16:13,550 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 [2024-11-09 01:16:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:14,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:16:14,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 01:16:19,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:19,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-09 01:16:19,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786767628] [2024-11-09 01:16:19,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786767628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:19,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:16:19,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 01:16:19,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353601098] [2024-11-09 01:16:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:19,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:16:19,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-09 01:16:19,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:16:19,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:16:19,043 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:16:23,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:27,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:31,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:36,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:40,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:45,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:49,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:16:49,467 INFO L93 Difference]: Finished difference Result 141 states and 207 transitions. [2024-11-09 01:16:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:16:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-09 01:16:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:16:49,537 INFO L225 Difference]: With dead ends: 141 [2024-11-09 01:16:49,537 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 01:16:49,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:16:49,539 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2024-11-09 01:16:49,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 121 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 30.4s Time] [2024-11-09 01:16:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 01:16:49,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-09 01:16:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 60 states have internal predecessors, (77), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 01:16:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 137 transitions. [2024-11-09 01:16:49,561 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 137 transitions. Word has length 101 [2024-11-09 01:16:49,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:16:49,562 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 137 transitions. [2024-11-09 01:16:49,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-09 01:16:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2024-11-09 01:16:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 01:16:49,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:16:49,565 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, 1, 1, 1] [2024-11-09 01:16:49,584 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-09 01:16:49,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-09 01:16:49,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:16:49,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:16:49,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1160658344, now seen corresponding path program 1 times [2024-11-09 01:16:49,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 01:16:49,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028028022] [2024-11-09 01:16:49,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:49,767 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 [2024-11-09 01:16:49,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 01:16:49,770 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-09 01:16:49,771 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 (4)] Waiting until timeout for monitored process [2024-11-09 01:16:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:50,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:16:50,474 INFO L278 TraceCheckSpWp]: Computing forward predicates...