./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.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 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:31:15,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:31:15,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:31:15,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:31:15,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:31:15,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:31:15,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:31:15,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:31:15,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:31:15,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:31:15,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:31:15,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:31:15,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:31:15,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:31:15,373 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:31:15,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:31:15,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:31:15,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:31:15,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:31:15,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:31:15,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:31:15,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:31:15,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:31:15,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:31:15,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:31:15,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:15,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:31:15,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:31:15,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:31:15,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:31:15,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:31:15,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:31:15,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 [2024-10-24 08:31:15,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:31:15,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:31:15,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:31:15,596 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:31:15,597 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:31:15,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:16,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:31:16,944 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:31:16,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:16,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2fa5626/f6c9f576539744a2b6a582b59f29e058/FLAGa40b603c3 [2024-10-24 08:31:17,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2fa5626/f6c9f576539744a2b6a582b59f29e058 [2024-10-24 08:31:17,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:31:17,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:31:17,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:17,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:31:17,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:31:17,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bca8e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17, skipping insertion in model container [2024-10-24 08:31:17,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:31:17,511 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2024-10-24 08:31:17,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:17,556 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:31:17,564 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2024-10-24 08:31:17,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:17,598 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:31:17,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17 WrapperNode [2024-10-24 08:31:17,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:17,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:17,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:31:17,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:31:17,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,638 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2024-10-24 08:31:17,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:17,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:31:17,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:31:17,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:31:17,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,665 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:31:17,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:31:17,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:31:17,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:31:17,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:31:17,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (1/1) ... [2024-10-24 08:31:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:17,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:31:17,720 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) [2024-10-24 08:31:17,724 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 [2024-10-24 08:31:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:31:17,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:31:17,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:31:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:31:17,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:31:17,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:31:17,822 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:31:17,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:31:18,085 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 08:31:18,086 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:31:18,120 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:31:18,121 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:31:18,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:18 BoogieIcfgContainer [2024-10-24 08:31:18,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:31:18,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:31:18,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:31:18,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:31:18,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:31:17" (1/3) ... [2024-10-24 08:31:18,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c490e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:18, skipping insertion in model container [2024-10-24 08:31:18,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:17" (2/3) ... [2024-10-24 08:31:18,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c490e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:18, skipping insertion in model container [2024-10-24 08:31:18,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:18" (3/3) ... [2024-10-24 08:31:18,128 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:18,140 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:31:18,140 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:31:18,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:31:18,205 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;@7ea4b803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:31:18,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:31:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:31:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 08:31:18,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:18,222 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:18,222 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:18,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:18,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1426009121, now seen corresponding path program 1 times [2024-10-24 08:31:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:31:18,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462664558] [2024-10-24 08:31:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:31:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:31:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:31:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:31:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:31:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:31:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:31:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:31:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:31:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:31:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 08:31:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:31:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 08:31:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 08:31:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 08:31:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 08:31:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:31:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:31:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:31:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 08:31:18,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:31:18,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462664558] [2024-10-24 08:31:18,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462664558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:18,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:18,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:31:18,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712373438] [2024-10-24 08:31:18,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:18,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:31:18,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:31:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:31:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:18,565 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 08:31:18,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:18,607 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2024-10-24 08:31:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:31:18,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-10-24 08:31:18,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:18,617 INFO L225 Difference]: With dead ends: 105 [2024-10-24 08:31:18,618 INFO L226 Difference]: Without dead ends: 52 [2024-10-24 08:31:18,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:18,624 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:18,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:31:18,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-24 08:31:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-24 08:31:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:31:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2024-10-24 08:31:18,669 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 114 [2024-10-24 08:31:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:18,670 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2024-10-24 08:31:18,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 08:31:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-10-24 08:31:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 08:31:18,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:18,674 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:31:18,675 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1176347685, now seen corresponding path program 1 times [2024-10-24 08:31:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:31:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048764039] [2024-10-24 08:31:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:18,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:31:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:31:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:31:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 08:31:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:31:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 08:31:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:31:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 08:31:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:31:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:31:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 08:31:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:31:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 08:31:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 08:31:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 08:31:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 08:31:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 08:31:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 08:31:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:31:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 08:31:19,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:31:19,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048764039] [2024-10-24 08:31:19,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048764039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:19,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:19,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:31:19,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100179648] [2024-10-24 08:31:19,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:19,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:31:19,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:31:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:31:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:31:19,168 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 08:31:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:19,248 INFO L93 Difference]: Finished difference Result 128 states and 192 transitions. [2024-10-24 08:31:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:31:19,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-10-24 08:31:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:19,251 INFO L225 Difference]: With dead ends: 128 [2024-10-24 08:31:19,251 INFO L226 Difference]: Without dead ends: 77 [2024-10-24 08:31:19,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:31:19,252 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 32 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:19,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 178 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:31:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-24 08:31:19,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-10-24 08:31:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 08:31:19,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-10-24 08:31:19,269 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 114 [2024-10-24 08:31:19,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:19,270 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-10-24 08:31:19,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 08:31:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-10-24 08:31:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 08:31:19,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:19,272 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:19,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:31:19,273 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:19,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:19,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1497429550, now seen corresponding path program 1 times [2024-10-24 08:31:19,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:31:19,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416309813] [2024-10-24 08:31:19,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:31:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 08:31:19,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652278588] [2024-10-24 08:31:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:19,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:31:19,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:31:19,394 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) [2024-10-24 08:31:19,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:31:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:31:20,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 08:31:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 08:31:20,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 08:31:20,485 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 08:31:20,485 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 08:31:20,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 08:31:20,687 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 [2024-10-24 08:31:20,691 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 08:31:20,764 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 08:31:20,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:31:20 BoogieIcfgContainer [2024-10-24 08:31:20,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 08:31:20,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 08:31:20,767 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 08:31:20,767 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 08:31:20,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:18" (3/4) ... [2024-10-24 08:31:20,769 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 08:31:20,770 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 08:31:20,770 INFO L158 Benchmark]: Toolchain (without parser) took 3406.57ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 98.8MB in the beginning and 130.2MB in the end (delta: -31.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,770 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:31:20,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 82.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,771 INFO L158 Benchmark]: Boogie Preprocessor took 48.71ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 74.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,772 INFO L158 Benchmark]: RCFGBuilder took 433.08ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 74.1MB in the beginning and 175.0MB in the end (delta: -100.9MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,772 INFO L158 Benchmark]: TraceAbstraction took 2644.00ms. Allocated memory is still 211.8MB. Free memory was 173.9MB in the beginning and 130.2MB in the end (delta: 43.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-10-24 08:31:20,772 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 211.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 08:31:20,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 82.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 79.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.71ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 74.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 433.08ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 74.1MB in the beginning and 175.0MB in the end (delta: -100.9MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2644.00ms. Allocated memory is still 211.8MB. Free memory was 173.9MB in the beginning and 130.2MB in the end (delta: 43.7MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 211.8MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_4 = -64; [L24] signed char var_1_9 = 10; [L25] unsigned char var_1_10 = 0; [L26] signed char var_1_11 = -1; [L27] unsigned short int var_1_12 = 10000; [L28] float var_1_13 = 5.4; [L29] float var_1_14 = 1.4; [L30] unsigned short int var_1_18 = 32; [L31] double var_1_20 = 1.5; [L32] double var_1_21 = 2.75; [L33] unsigned char var_1_22 = 5; [L34] unsigned short int var_1_23 = 55712; [L35] unsigned char var_1_24 = 5; [L36] signed short int var_1_25 = 10; [L37] float var_1_26 = 64.2; [L38] unsigned long int last_1_var_1_1 = 16; [L39] signed char last_1_var_1_9 = 10; [L40] unsigned short int last_1_var_1_12 = 10000; [L41] double last_1_var_1_20 = 1.5; [L42] unsigned char last_1_var_1_22 = 5; [L43] signed short int last_1_var_1_25 = 10; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_20 = var_1_20 [L129] last_1_var_1_22 = var_1_22 [L130] last_1_var_1_25 = var_1_25 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L101] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L102] var_1_11 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L103] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L104] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L105] var_1_13 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L109] var_1_18 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L111] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L114] var_1_23 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L115] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L116] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L116] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L117] var_1_24 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L118] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L119] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L119] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_26=321/5, var_1_4=22, var_1_9=10] [L120] var_1_26 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L121] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L122] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L122] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=10] [L141] RET updateVariables() [L142] CALL step() [L47] COND FALSE !(! var_1_10) [L54] var_1_9 = var_1_11 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L56] unsigned char stepLocal_2 = var_1_10; [L57] signed long int stepLocal_1 = last_1_var_1_22; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L58] COND TRUE ((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || stepLocal_2 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, var_1_10=1, var_1_11=63, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L59] COND FALSE !(stepLocal_1 >= last_1_var_1_12) [L62] var_1_12 = last_1_var_1_22 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L65] unsigned long int stepLocal_5 = last_1_var_1_1; [L66] signed long int stepLocal_4 = var_1_4 + last_1_var_1_9; [L67] unsigned short int stepLocal_3 = var_1_18; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=32, stepLocal_5=16, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L68] COND FALSE !(stepLocal_5 > last_1_var_1_12) [L79] var_1_22 = var_1_24 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=32, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L81] COND TRUE var_1_11 > (var_1_22 * (var_1_12 + var_1_22)) [L82] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=32, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=10, var_1_4=22, var_1_9=63] [L84] COND TRUE (var_1_20 / var_1_26) > var_1_13 [L85] var_1_25 = ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=32, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=3, var_1_4=22, var_1_9=63] [L89] signed long int stepLocal_0 = (var_1_25 + var_1_9) / var_1_4; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_0=3, stepLocal_3=0, stepLocal_4=32, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=16, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=3, var_1_4=22, var_1_9=63] [L90] COND TRUE stepLocal_0 == var_1_25 [L91] var_1_1 = (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=32, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=6, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=3, var_1_4=22, var_1_9=63] [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((var_1_25 + var_1_9) / var_1_4) == var_1_25) ? (var_1_1 == ((unsigned long int) (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22))) : 1) && ((! var_1_10) ? ((((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || var_1_10) ? ((last_1_var_1_22 >= last_1_var_1_12) ? (var_1_12 == ((unsigned short int) (((((last_1_var_1_22) < (last_1_var_1_22)) ? (last_1_var_1_22) : (last_1_var_1_22))) + 32))) : (var_1_12 == ((unsigned short int) last_1_var_1_22))) : 1)) && ((var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((last_1_var_1_1 > last_1_var_1_12) ? ((last_1_var_1_1 >= (var_1_4 + last_1_var_1_9)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_20 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=6, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=3, var_1_4=22, var_1_9=63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=63, var_1_12=5, var_1_18=0, var_1_1=6, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=32767, var_1_24=3, var_1_25=3, var_1_4=22, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 160 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1224/1224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 08:31:20,802 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.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 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:31:22,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:31:22,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 08:31:22,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:31:22,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:31:22,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:31:22,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:31:22,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:31:22,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:31:22,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:31:22,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:31:22,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:31:22,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:31:22,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:31:22,591 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:31:22,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:31:22,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:31:22,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:31:22,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:31:22,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:31:22,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:31:22,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:31:22,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:31:22,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 08:31:22,596 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 08:31:22,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:31:22,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 08:31:22,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:31:22,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:31:22,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:22,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:31:22,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:31:22,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:31:22,598 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 08:31:22,598 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 08:31:22,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:31:22,599 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:31:22,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:31:22,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:31:22,600 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 08:31:22,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c6724627211e2264c3f646c4f0a1a61243b6313360392336ef15db1addb0e78 [2024-10-24 08:31:22,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:31:22,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:31:22,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:31:22,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:31:22,879 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:31:22,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:24,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:31:24,334 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:31:24,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:24,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1972e9e5/5718d6b0fd97443a879a82846b1e4b94/FLAG3f8338040 [2024-10-24 08:31:24,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1972e9e5/5718d6b0fd97443a879a82846b1e4b94 [2024-10-24 08:31:24,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:31:24,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:31:24,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:24,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:31:24,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:31:24,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:24,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860c694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24, skipping insertion in model container [2024-10-24 08:31:24,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:24,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:31:24,857 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2024-10-24 08:31:24,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:24,939 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:31:24,949 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-26.i[913,926] [2024-10-24 08:31:24,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:31:24,980 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:31:24,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24 WrapperNode [2024-10-24 08:31:24,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:31:24,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:24,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:31:24,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:31:24,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:24,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,016 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-10-24 08:31:25,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:31:25,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:31:25,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:31:25,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:31:25,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,057 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:31:25,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:31:25,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:31:25,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:31:25,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:31:25,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (1/1) ... [2024-10-24 08:31:25,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:31:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:31:25,108 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) [2024-10-24 08:31:25,111 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 [2024-10-24 08:31:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:31:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 08:31:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:31:25,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:31:25,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:31:25,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:31:25,215 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:31:25,217 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:31:38,231 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 08:31:38,232 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:31:38,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:31:38,263 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:31:38,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:38 BoogieIcfgContainer [2024-10-24 08:31:38,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:31:38,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:31:38,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:31:38,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:31:38,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:31:24" (1/3) ... [2024-10-24 08:31:38,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f8b3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:38, skipping insertion in model container [2024-10-24 08:31:38,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:31:24" (2/3) ... [2024-10-24 08:31:38,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f8b3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:31:38, skipping insertion in model container [2024-10-24 08:31:38,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:31:38" (3/3) ... [2024-10-24 08:31:38,271 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-26.i [2024-10-24 08:31:38,291 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:31:38,291 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:31:38,339 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:31:38,344 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;@7afe51b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:31:38,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:31:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:31:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 08:31:38,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:38,354 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:38,354 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:38,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:38,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1426009121, now seen corresponding path program 1 times [2024-10-24 08:31:38,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:31:38,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946185164] [2024-10-24 08:31:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:38,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:31:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:31:38,368 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) [2024-10-24 08:31:38,369 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 [2024-10-24 08:31:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:39,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 08:31:39,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:31:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-10-24 08:31:39,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 08:31:39,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:31:39,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946185164] [2024-10-24 08:31:39,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946185164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:31:39,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:31:39,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:31:39,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132085085] [2024-10-24 08:31:39,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:39,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:31:39,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:31:39,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:31:39,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:39,185 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 08:31:41,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:31:45,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:31:45,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:31:45,430 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2024-10-24 08:31:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:31:45,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-10-24 08:31:45,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:31:45,528 INFO L225 Difference]: With dead ends: 105 [2024-10-24 08:31:45,529 INFO L226 Difference]: Without dead ends: 52 [2024-10-24 08:31:45,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:31:45,532 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:31:45,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-10-24 08:31:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-24 08:31:45,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-24 08:31:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 08:31:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2024-10-24 08:31:45,570 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 114 [2024-10-24 08:31:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:31:45,571 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2024-10-24 08:31:45,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 08:31:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-10-24 08:31:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 08:31:45,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:31:45,574 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:31:45,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 08:31:45,775 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 [2024-10-24 08:31:45,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:31:45,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:31:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1176347685, now seen corresponding path program 1 times [2024-10-24 08:31:45,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:31:45,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431175485] [2024-10-24 08:31:45,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:31:45,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:31:45,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:31:45,780 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) [2024-10-24 08:31:45,780 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 [2024-10-24 08:31:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:31:46,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 08:31:46,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:31:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-10-24 08:31:48,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 08:31:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-24 08:31:50,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 08:31:50,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431175485] [2024-10-24 08:31:50,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1431175485] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 08:31:50,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 08:31:50,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-10-24 08:31:50,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067555340] [2024-10-24 08:31:50,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:31:50,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:31:50,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 08:31:50,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:31:50,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:31:50,249 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 08:31:55,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:31:59,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:32:03,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:32:07,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:32:11,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:32:14,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 08:32:15,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:32:15,187 INFO L93 Difference]: Finished difference Result 128 states and 192 transitions. [2024-10-24 08:32:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:32:15,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-10-24 08:32:15,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:32:15,190 INFO L225 Difference]: With dead ends: 128 [2024-10-24 08:32:15,190 INFO L226 Difference]: Without dead ends: 77 [2024-10-24 08:32:15,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:32:15,192 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 33 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:32:15,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 236 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 24.8s Time] [2024-10-24 08:32:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-24 08:32:15,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-10-24 08:32:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-24 08:32:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-10-24 08:32:15,211 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 114 [2024-10-24 08:32:15,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:32:15,211 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-10-24 08:32:15,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-10-24 08:32:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-10-24 08:32:15,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 08:32:15,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:32:15,213 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:32:15,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-24 08:32:15,413 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 [2024-10-24 08:32:15,414 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:32:15,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:32:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1497429550, now seen corresponding path program 1 times [2024-10-24 08:32:15,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 08:32:15,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176567822] [2024-10-24 08:32:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:32:15,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 08:32:15,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 08:32:15,417 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) [2024-10-24 08:32:15,418 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 [2024-10-24 08:32:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:32:16,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 08:32:16,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 08:32:43,071 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:32:50,608 WARN L286 SmtUtils]: Spent 7.54s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 08:32:55,877 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)