./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.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 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 19:52:10,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:52:10,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:52:10,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:52:10,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:52:10,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:52:10,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:52:10,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:52:10,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:52:10,155 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:52:10,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:52:10,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:52:10,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:52:10,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:52:10,159 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:52:10,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:52:10,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:52:10,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:52:10,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:52:10,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:52:10,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:52:10,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:52:10,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:52:10,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:52:10,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:52:10,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:52:10,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:52:10,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:52:10,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:52:10,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:52:10,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:52:10,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:52:10,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:52:10,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:52:10,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:52:10,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:52:10,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:52:10,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:52:10,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:52:10,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:52:10,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:52:10,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:52:10,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 [2024-11-08 19:52:10,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:52:10,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:52:10,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:52:10,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:52:10,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:52:10,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:11,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:52:12,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:52:12,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:12,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c25f5e1/b1b7e623227749bca20a72cec6035d40/FLAG48c3d61e3 [2024-11-08 19:52:12,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c25f5e1/b1b7e623227749bca20a72cec6035d40 [2024-11-08 19:52:12,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:52:12,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:52:12,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:52:12,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:52:12,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:52:12,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665acd3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12, skipping insertion in model container [2024-11-08 19:52:12,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:52:12,610 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2024-11-08 19:52:12,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:52:12,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:52:12,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2024-11-08 19:52:12,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:52:12,758 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:52:12,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12 WrapperNode [2024-11-08 19:52:12,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:52:12,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:52:12,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:52:12,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:52:12,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,827 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-08 19:52:12,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:52:12,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:52:12,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:52:12,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:52:12,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,864 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:52:12,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:52:12,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:52:12,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:52:12,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:52:12,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (1/1) ... [2024-11-08 19:52:12,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:52:12,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 19:52:13,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:52:13,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:52:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:52:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:52:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:52:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:52:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:52:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:52:13,180 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:52:13,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:52:13,534 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:52:13,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:52:13,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:52:13,550 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:52:13,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:52:13 BoogieIcfgContainer [2024-11-08 19:52:13,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:52:13,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:52:13,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:52:13,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:52:13,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:52:12" (1/3) ... [2024-11-08 19:52:13,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6931a58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:52:13, skipping insertion in model container [2024-11-08 19:52:13,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:12" (2/3) ... [2024-11-08 19:52:13,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6931a58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:52:13, skipping insertion in model container [2024-11-08 19:52:13,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:52:13" (3/3) ... [2024-11-08 19:52:13,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:13,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:52:13,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:52:13,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:52:13,639 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;@5481ec6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:52:13,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:52:13,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 19:52:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:13,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:13,662 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:13,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:13,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:13,667 INFO L85 PathProgramCache]: Analyzing trace with hash -992541101, now seen corresponding path program 1 times [2024-11-08 19:52:13,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609461770] [2024-11-08 19:52:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:52:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:52:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:52:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:52:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:52:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 19:52:14,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:14,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609461770] [2024-11-08 19:52:14,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609461770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:14,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:14,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:52:14,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902657090] [2024-11-08 19:52:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:14,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:52:14,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:52:14,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:52:14,167 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:52:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:14,199 INFO L93 Difference]: Finished difference Result 135 states and 238 transitions. [2024-11-08 19:52:14,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:52:14,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-11-08 19:52:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:14,210 INFO L225 Difference]: With dead ends: 135 [2024-11-08 19:52:14,210 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 19:52:14,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:52:14,216 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:14,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:52:14,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 19:52:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 19:52:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 19:52:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-08 19:52:14,275 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 150 [2024-11-08 19:52:14,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:14,276 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-08 19:52:14,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:52:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-08 19:52:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:14,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:14,280 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:14,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:52:14,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:14,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:14,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1231927447, now seen corresponding path program 1 times [2024-11-08 19:52:14,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:14,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686713837] [2024-11-08 19:52:14,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:52:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:52:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:52:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:52:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:52:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 19:52:15,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:15,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686713837] [2024-11-08 19:52:15,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686713837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:15,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:15,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:52:15,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128417009] [2024-11-08 19:52:15,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:15,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:52:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:15,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:52:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:15,114 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 19:52:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:15,196 INFO L93 Difference]: Finished difference Result 194 states and 301 transitions. [2024-11-08 19:52:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:52:15,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2024-11-08 19:52:15,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:15,202 INFO L225 Difference]: With dead ends: 194 [2024-11-08 19:52:15,205 INFO L226 Difference]: Without dead ends: 130 [2024-11-08 19:52:15,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:15,208 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 50 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:15,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 195 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:52:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-08 19:52:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2024-11-08 19:52:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 75 states have (on average 1.32) internal successors, (99), 75 states have internal predecessors, (99), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 19:52:15,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2024-11-08 19:52:15,244 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 150 [2024-11-08 19:52:15,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:15,246 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2024-11-08 19:52:15,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 19:52:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2024-11-08 19:52:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:15,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:15,251 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:15,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:52:15,252 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash 28313813, now seen corresponding path program 1 times [2024-11-08 19:52:15,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:15,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322726332] [2024-11-08 19:52:15,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:52:15,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875621499] [2024-11-08 19:52:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:15,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:52:15,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 19:52:15,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:52:15,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:52:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:52:15,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:52:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:52:15,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:52:15,832 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:52:15,834 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:52:15,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:52:16,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:52:16,042 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:52:16,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:52:16,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:52:16 BoogieIcfgContainer [2024-11-08 19:52:16,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:52:16,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:52:16,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:52:16,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:52:16,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:52:13" (3/4) ... [2024-11-08 19:52:16,157 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:52:16,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:52:16,158 INFO L158 Benchmark]: Toolchain (without parser) took 3755.18ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 84.9MB in the beginning and 126.1MB in the end (delta: -41.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,159 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:52:16,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.31ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 68.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.72ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,160 INFO L158 Benchmark]: Boogie Preprocessor took 72.94ms. Allocated memory is still 138.4MB. Free memory was 65.4MB in the beginning and 60.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,160 INFO L158 Benchmark]: RCFGBuilder took 649.37ms. Allocated memory is still 138.4MB. Free memory was 60.8MB in the beginning and 90.4MB in the end (delta: -29.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,161 INFO L158 Benchmark]: TraceAbstraction took 2598.16ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 89.6MB in the beginning and 126.1MB in the end (delta: -36.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-11-08 19:52:16,161 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:52:16,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.31ms. Allocated memory is still 138.4MB. Free memory was 84.6MB in the beginning and 68.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.72ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 65.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.94ms. Allocated memory is still 138.4MB. Free memory was 65.4MB in the beginning and 60.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 649.37ms. Allocated memory is still 138.4MB. Free memory was 60.8MB in the beginning and 90.4MB in the end (delta: -29.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2598.16ms. Allocated memory was 138.4MB in the beginning and 209.7MB in the end (delta: 71.3MB). Free memory was 89.6MB in the beginning and 126.1MB in the end (delta: -36.6MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 209.7MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] signed long int var_1_2 = 16; [L24] signed long int var_1_3 = 4; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] signed long int var_1_6 = 256; [L28] signed long int var_1_7 = -1; [L29] unsigned short int var_1_8 = 32; [L30] signed long int var_1_9 = -16; [L31] unsigned short int var_1_10 = 5; [L32] unsigned short int var_1_11 = 128; [L33] unsigned char var_1_12 = 32; [L34] unsigned char var_1_13 = 1; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] double var_1_16 = 63.75; [L38] double var_1_17 = 8.5; [L39] signed short int var_1_18 = -64; VAL [isInitial=0, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=16, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L99] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L100] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L100] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=4, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L101] var_1_3 = __VERIFIER_nondet_long() [L102] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L102] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L103] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L103] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L104] var_1_4 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L105] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L106] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L106] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=4, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L107] var_1_5 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_5 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L108] RET assume_abort_if_not(var_1_5 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L109] CALL assume_abort_if_not(var_1_5 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L109] RET assume_abort_if_not(var_1_5 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=256, var_1_7=-1, var_1_8=32, var_1_9=-16] [L110] var_1_6 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_6 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L111] RET assume_abort_if_not(var_1_6 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L112] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L112] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=-1, var_1_8=32, var_1_9=-16] [L113] var_1_7 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_7 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L114] RET assume_abort_if_not(var_1_7 >= -2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L115] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L115] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=-16] [L116] var_1_9 = __VERIFIER_nondet_long() [L117] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L117] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L118] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L119] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L119] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_10=5, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L120] var_1_10 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L121] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L122] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L122] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=32, var_1_11=128, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L123] var_1_11 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L124] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L125] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L125] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L126] var_1_13 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L127] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L128] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L128] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L129] var_1_15 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L130] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L131] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L131] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L132] var_1_17 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L133] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L146] RET updateVariables() [L147] CALL step() [L43] COND FALSE !(var_1_2 != var_1_3) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L48] signed long int stepLocal_1 = var_1_5 / var_1_9; [L49] signed long int stepLocal_0 = var_1_2 * 256; VAL [isInitial=1, stepLocal_0=8192, stepLocal_1=0, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L50] COND FALSE !(var_1_6 >= stepLocal_1) [L57] var_1_8 = var_1_10 VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L59] COND FALSE !(var_1_10 < var_1_1) VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L70] unsigned char stepLocal_2 = var_1_12; VAL [isInitial=1, stepLocal_0=8192, stepLocal_2=32, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L71] COND FALSE !(stepLocal_2 > (((((var_1_3) < (var_1_8)) ? (var_1_3) : (var_1_8))) + var_1_10)) VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L82] COND FALSE !(\read(var_1_14)) VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L89] COND FALSE !(\read(var_1_4)) [L92] var_1_16 = var_1_17 VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=-64, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L95] var_1_18 = var_1_12 VAL [isInitial=1, stepLocal_0=8192, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 != var_1_3) ? (var_1_4 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_5)) ? (-5) : (var_1_5)))) < (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))))) ? (((((-5) > (var_1_5)) ? (-5) : (var_1_5)))) : (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))))))) : 1) : 1) && ((var_1_6 >= (var_1_5 / var_1_9)) ? ((var_1_3 < (var_1_2 * 256)) ? (var_1_8 == ((unsigned short int) ((((var_1_10) < (((((128) < (var_1_11)) ? (128) : (var_1_11))))) ? (var_1_10) : (((((128) < (var_1_11)) ? (128) : (var_1_11)))))))) : (var_1_8 == ((unsigned short int) var_1_11))) : (var_1_8 == ((unsigned short int) var_1_10)))) && ((var_1_10 < var_1_1) ? ((var_1_3 <= (5 - var_1_8)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((var_1_3 == var_1_6) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_12 > (((((var_1_3) < (var_1_8)) ? (var_1_3) : (var_1_8))) + var_1_10)) ? ((! (var_1_8 >= var_1_5)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_4 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_12)) ; VAL [\result=0, isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_10=32, var_1_11=0, var_1_12=32, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_1=32, var_1_2=32, var_1_3=32, var_1_4=0, var_1_5=1, var_1_6=-1, var_1_7=0, var_1_8=32, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 298 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 204 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 674 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2208/2208 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:52:16,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.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 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 19:52:18,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:52:18,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:52:18,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:52:18,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:52:18,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:52:18,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:52:18,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:52:18,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:52:18,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:52:18,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:52:18,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:52:18,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:52:18,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:52:18,573 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:52:18,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:52:18,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:52:18,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:52:18,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:52:18,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:52:18,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:52:18,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:52:18,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:52:18,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:52:18,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:52:18,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:52:18,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:52:18,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:52:18,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:52:18,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:52:18,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:52:18,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:52:18,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:52:18,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:52:18,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:52:18,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:52:18,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:52:18,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:52:18,588 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 19:52:18,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:52:18,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:52:18,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:52:18,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:52:18,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:52:18,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5b25db77af6087a8d68144f29b6dbfffc93c4c0b7ce6d33c40c5bcadf93148 [2024-11-08 19:52:18,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:52:18,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:52:18,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:52:18,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:52:18,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:52:18,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:20,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:52:20,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:52:20,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:20,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d763770/b97a1715690a47a6882ed39bc70760da/FLAGd4a33d54f [2024-11-08 19:52:20,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77d763770/b97a1715690a47a6882ed39bc70760da [2024-11-08 19:52:20,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:52:20,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:52:20,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:52:20,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:52:20,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:52:20,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:52:20" (1/1) ... [2024-11-08 19:52:20,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecf4a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:20, skipping insertion in model container [2024-11-08 19:52:20,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:52:20" (1/1) ... [2024-11-08 19:52:20,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:52:21,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2024-11-08 19:52:21,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:52:21,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:52:21,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-89.i[917,930] [2024-11-08 19:52:21,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:52:21,244 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:52:21,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21 WrapperNode [2024-11-08 19:52:21,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:52:21,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:52:21,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:52:21,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:52:21,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,306 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-08 19:52:21,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:52:21,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:52:21,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:52:21,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:52:21,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,331 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,349 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:52:21,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:52:21,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:52:21,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:52:21,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:52:21,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (1/1) ... [2024-11-08 19:52:21,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:52:21,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 19:52:21,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:52:21,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:52:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:52:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:52:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:52:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:52:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:52:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:52:21,564 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:52:21,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:52:22,071 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:52:22,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:52:22,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:52:22,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:52:22,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:52:22 BoogieIcfgContainer [2024-11-08 19:52:22,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:52:22,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:52:22,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:52:22,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:52:22,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:52:20" (1/3) ... [2024-11-08 19:52:22,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec7d74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:52:22, skipping insertion in model container [2024-11-08 19:52:22,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:52:21" (2/3) ... [2024-11-08 19:52:22,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec7d74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:52:22, skipping insertion in model container [2024-11-08 19:52:22,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:52:22" (3/3) ... [2024-11-08 19:52:22,098 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-89.i [2024-11-08 19:52:22,115 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:52:22,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:52:22,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:52:22,186 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;@30c4d872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:52:22,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:52:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 19:52:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:22,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:22,202 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:22,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:22,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:22,206 INFO L85 PathProgramCache]: Analyzing trace with hash -992541101, now seen corresponding path program 1 times [2024-11-08 19:52:22,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 19:52:22,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556462952] [2024-11-08 19:52:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:52:22,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 19:52:22,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:52:22,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:52:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:22,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:52:22,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-08 19:52:22,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:52:22,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 19:52:22,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556462952] [2024-11-08 19:52:22,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556462952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:22,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:22,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:52:22,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323078357] [2024-11-08 19:52:22,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:22,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:52:22,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 19:52:22,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:52:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:52:22,671 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:52:22,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:22,704 INFO L93 Difference]: Finished difference Result 135 states and 238 transitions. [2024-11-08 19:52:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:52:22,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-11-08 19:52:22,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:22,715 INFO L225 Difference]: With dead ends: 135 [2024-11-08 19:52:22,715 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 19:52:22,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:52:22,725 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:22,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:52:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 19:52:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 19:52:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 19:52:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 103 transitions. [2024-11-08 19:52:22,793 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 103 transitions. Word has length 150 [2024-11-08 19:52:22,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:22,794 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 103 transitions. [2024-11-08 19:52:22,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-08 19:52:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2024-11-08 19:52:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:22,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:22,800 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:22,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:52:23,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:52:23,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:23,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1231927447, now seen corresponding path program 1 times [2024-11-08 19:52:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 19:52:23,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112772934] [2024-11-08 19:52:23,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:23,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:52:23,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 19:52:23,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:52:23,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:52:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:23,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:52:23,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:52:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-08 19:52:23,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:52:23,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 19:52:23,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112772934] [2024-11-08 19:52:23,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112772934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:23,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:23,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:52:23,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939269207] [2024-11-08 19:52:23,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:23,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:52:23,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 19:52:23,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:52:23,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:23,695 INFO L87 Difference]: Start difference. First operand 67 states and 103 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 19:52:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:23,820 INFO L93 Difference]: Finished difference Result 193 states and 299 transitions. [2024-11-08 19:52:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:52:23,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 150 [2024-11-08 19:52:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:23,824 INFO L225 Difference]: With dead ends: 193 [2024-11-08 19:52:23,824 INFO L226 Difference]: Without dead ends: 129 [2024-11-08 19:52:23,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:23,826 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 23 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:23,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 193 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:52:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-08 19:52:23,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2024-11-08 19:52:23,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 74 states have internal predecessors, (97), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 19:52:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 193 transitions. [2024-11-08 19:52:23,850 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 193 transitions. Word has length 150 [2024-11-08 19:52:23,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:23,851 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 193 transitions. [2024-11-08 19:52:23,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-11-08 19:52:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 193 transitions. [2024-11-08 19:52:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:52:23,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:23,853 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:23,864 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 [2024-11-08 19:52:24,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:52:24,054 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:24,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:24,055 INFO L85 PathProgramCache]: Analyzing trace with hash 28313813, now seen corresponding path program 1 times [2024-11-08 19:52:24,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 19:52:24,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299929723] [2024-11-08 19:52:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:24,063 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:52:24,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 19:52:24,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:52:24,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:52:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:24,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:52:24,380 INFO L278 TraceCheckSpWp]: Computing forward predicates...