./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:48:11,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:48:11,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 18:48:11,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:48:11,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:48:11,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:48:11,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:48:11,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:48:11,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:48:11,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:48:11,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:48:11,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:48:11,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:48:11,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:48:11,256 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:48:11,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:48:11,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:48:11,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 18:48:11,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 18:48:11,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 18:48:11,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:48:11,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:48:11,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:48:11,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:48:11,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:48:11,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 18:48:11,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:48:11,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:48:11,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:48:11,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:48:11,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:48:11,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:48:11,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:48:11,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:48:11,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:48:11,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:48:11,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 18:48:11,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 18:48:11,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:48:11,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:48:11,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:48:11,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:48:11,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2024-11-18 18:48:11,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:48:11,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:48:11,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:48:11,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:48:11,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:48:11,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:13,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:48:13,234 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:48:13,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:13,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52d11aa6/3eb8d7dd2a694d83a98f72d1083c0dea/FLAG51248b503 [2024-11-18 18:48:13,267 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52d11aa6/3eb8d7dd2a694d83a98f72d1083c0dea [2024-11-18 18:48:13,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:48:13,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:48:13,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:48:13,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:48:13,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:48:13,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a885e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13, skipping insertion in model container [2024-11-18 18:48:13,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:48:13,513 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-42.i[917,930] [2024-11-18 18:48:13,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:48:13,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:48:13,708 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-42.i[917,930] [2024-11-18 18:48:13,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:48:13,765 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:48:13,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13 WrapperNode [2024-11-18 18:48:13,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:48:13,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:48:13,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:48:13,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:48:13,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,827 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-18 18:48:13,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:48:13,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:48:13,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:48:13,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:48:13,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,865 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 18:48:13,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:48:13,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:48:13,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:48:13,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:48:13,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (1/1) ... [2024-11-18 18:48:13,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:48:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:48:13,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:48:13,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:48:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:48:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 18:48:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 18:48:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 18:48:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:48:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:48:14,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:48:14,079 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:48:14,383 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-18 18:48:14,384 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:48:14,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:48:14,402 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:48:14,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:48:14 BoogieIcfgContainer [2024-11-18 18:48:14,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:48:14,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:48:14,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:48:14,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:48:14,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:48:13" (1/3) ... [2024-11-18 18:48:14,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddd610e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:48:14, skipping insertion in model container [2024-11-18 18:48:14,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:13" (2/3) ... [2024-11-18 18:48:14,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddd610e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:48:14, skipping insertion in model container [2024-11-18 18:48:14,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:48:14" (3/3) ... [2024-11-18 18:48:14,412 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:14,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:48:14,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:48:14,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:48:14,501 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;@74b421e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:48:14,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:48:14,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 18:48:14,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:14,521 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:14,522 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:14,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:14,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2024-11-18 18:48:14,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:48:14,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066973313] [2024-11-18 18:48:14,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:14,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:48:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-18 18:48:14,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:48:14,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066973313] [2024-11-18 18:48:14,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066973313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 18:48:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837282374] [2024-11-18 18:48:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:14,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 18:48:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:48:14,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 18:48:14,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 18:48:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:15,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 18:48:15,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:48:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-18 18:48:15,142 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:48:15,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837282374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:48:15,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 18:48:15,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-18 18:48:15,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700940662] [2024-11-18 18:48:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:48:15,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 18:48:15,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:48:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 18:48:15,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:48:15,182 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 18:48:15,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:48:15,215 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2024-11-18 18:48:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 18:48:15,217 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-18 18:48:15,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:48:15,226 INFO L225 Difference]: With dead ends: 133 [2024-11-18 18:48:15,227 INFO L226 Difference]: Without dead ends: 66 [2024-11-18 18:48:15,232 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 [2024-11-18 18:48:15,237 INFO L432 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:48:15,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:48:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-18 18:48:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-18 18:48:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2024-11-18 18:48:15,297 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2024-11-18 18:48:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:48:15,298 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2024-11-18 18:48:15,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 18:48:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2024-11-18 18:48:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 18:48:15,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:15,306 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:15,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 18:48:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-18 18:48:15,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2024-11-18 18:48:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:48:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802274122] [2024-11-18 18:48:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:48:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-18 18:48:16,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:48:16,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802274122] [2024-11-18 18:48:16,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802274122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:48:16,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:48:16,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:48:16,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632823239] [2024-11-18 18:48:16,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:48:16,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:48:16,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:48:16,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:48:16,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:48:16,185 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-18 18:48:16,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:48:16,253 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2024-11-18 18:48:16,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:48:16,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-18 18:48:16,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:48:16,258 INFO L225 Difference]: With dead ends: 149 [2024-11-18 18:48:16,260 INFO L226 Difference]: Without dead ends: 86 [2024-11-18 18:48:16,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:48:16,264 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 22 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:48:16,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:48:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-18 18:48:16,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2024-11-18 18:48:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-18 18:48:16,294 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2024-11-18 18:48:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:48:16,297 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-18 18:48:16,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-18 18:48:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-18 18:48:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 18:48:16,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:16,302 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:16,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 18:48:16,303 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:16,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2024-11-18 18:48:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:48:16,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196442118] [2024-11-18 18:48:16,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:16,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:48:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-18 18:48:16,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530514171] [2024-11-18 18:48:16,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 18:48:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:48:16,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 18:48:16,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 18:48:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:48:16,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 18:48:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:48:16,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 18:48:16,894 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 18:48:16,897 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 18:48:16,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 18:48:17,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-18 18:48:17,102 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 18:48:17,225 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 18:48:17,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:48:17 BoogieIcfgContainer [2024-11-18 18:48:17,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 18:48:17,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 18:48:17,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 18:48:17,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 18:48:17,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:48:14" (3/4) ... [2024-11-18 18:48:17,237 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 18:48:17,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 18:48:17,239 INFO L158 Benchmark]: Toolchain (without parser) took 3967.33ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 103.7MB in the beginning and 172.0MB in the end (delta: -68.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,240 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:48:17,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.96ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 139.6MB in the end (delta: -36.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.24ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 135.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,242 INFO L158 Benchmark]: Boogie Preprocessor took 51.61ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 131.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,242 INFO L158 Benchmark]: RCFGBuilder took 518.31ms. Allocated memory is still 172.0MB. Free memory was 131.5MB in the beginning and 109.4MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,244 INFO L158 Benchmark]: TraceAbstraction took 2826.02ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 108.5MB in the beginning and 172.0MB in the end (delta: -63.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-18 18:48:17,244 INFO L158 Benchmark]: Witness Printer took 7.29ms. Allocated memory is still 260.0MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:48:17,246 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.96ms. Allocated memory is still 172.0MB. Free memory was 103.5MB in the beginning and 139.6MB in the end (delta: -36.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.24ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 135.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.61ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 131.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 518.31ms. Allocated memory is still 172.0MB. Free memory was 131.5MB in the beginning and 109.4MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2826.02ms. Allocated memory was 172.0MB in the beginning and 260.0MB in the end (delta: 88.1MB). Free memory was 108.5MB in the beginning and 172.0MB in the end (delta: -63.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Witness Printer took 7.29ms. Allocated memory is still 260.0MB. Free memory is still 172.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 138, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = -200; [L25] signed short int var_1_4 = 2; [L26] signed char var_1_5 = -8; [L27] unsigned char var_1_6 = 10; [L28] unsigned char var_1_7 = 128; [L29] unsigned char var_1_8 = 1; [L30] float var_1_9 = 9999999999.5; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] signed short int var_1_13 = 200; [L35] float var_1_14 = -0.8; [L36] float var_1_15 = 127.25; [L37] float var_1_16 = 3.5; [L38] unsigned short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 0; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] var_1_3 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_3 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L102] RET assume_abort_if_not(var_1_3 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L103] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L104] var_1_4 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L105] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L106] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L107] var_1_5 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L108] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L109] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L111] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L112] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L112] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1, var_1_9=19999999999/2] [L113] var_1_9 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L119] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L121] var_1_12 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L122] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L123] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L123] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L124] var_1_15 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L125] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L126] var_1_16 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L127] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L128] var_1_18 = __VERIFIER_nondet_ushort() [L129] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L129] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L130] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L130] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L131] var_1_20 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L132] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L133] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L133] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L146] RET updateVariables() [L147] CALL step() [L45] signed short int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=-32766, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L46] COND TRUE \read(var_1_2) [L47] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=-32766, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=10, var_1_7=-128, var_1_8=1] [L53] COND TRUE var_1_5 >= -2 [L54] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, stepLocal_0=-32766, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=1] [L56] unsigned char stepLocal_2 = 49.5f <= var_1_9; [L57] signed short int stepLocal_1 = var_1_1; VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_2=0, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=1] [L58] COND FALSE !(stepLocal_2 && (var_1_2 && var_1_10)) [L65] var_1_8 = var_1_12 VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L67] unsigned char stepLocal_4 = var_1_6; [L68] signed long int stepLocal_3 = (((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)); VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, stepLocal_4=28, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L69] COND FALSE !(stepLocal_4 >= (var_1_1 / var_1_7)) [L76] var_1_13 = var_1_3 VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L78] unsigned char stepLocal_6 = var_1_2; [L79] signed short int stepLocal_5 = var_1_13; VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, stepLocal_5=-32766, stepLocal_6=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L80] COND TRUE (((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || stepLocal_6 VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, stepLocal_5=-32766, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L81] COND TRUE stepLocal_5 <= var_1_3 [L82] var_1_14 = (var_1_15 + var_1_16) VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L89] signed short int stepLocal_7 = var_1_3; VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, stepLocal_7=-32766, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=16, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L90] COND TRUE var_1_4 > stepLocal_7 [L91] var_1_17 = ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))) VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=29, var_1_18=65537, var_1_19=1, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L93] COND TRUE var_1_9 <= var_1_15 [L94] var_1_19 = (var_1_12 || var_1_20) VAL [isInitial=1, stepLocal_0=-32766, stepLocal_1=3840, stepLocal_3=28, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=29, var_1_18=65537, var_1_19=0, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return ((((((var_1_2 ? (var_1_1 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_3) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_9) && (var_1_2 && var_1_10)) ? ((var_1_1 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_2 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((var_1_6 >= (var_1_1 / var_1_7)) ? ((var_1_1 != ((((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) var_1_6))) : (var_1_13 == ((signed short int) var_1_3)))) && (((((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2) ? ((var_1_13 <= var_1_3) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_4 > var_1_3) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))))) : 1)) && ((var_1_9 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=29, var_1_18=65537, var_1_19=0, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=29, var_1_18=65537, var_1_19=0, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=0, var_1_13=-32766, var_1_17=29, var_1_18=65537, var_1_19=0, var_1_1=3840, var_1_20=0, var_1_2=1, var_1_3=-32766, var_1_4=3840, var_1_5=-1, var_1_6=28, var_1_7=-128, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 304 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 194 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2992/3036 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 18:48:17,280 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-42.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 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:48:19,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:48:19,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 18:48:19,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:48:19,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:48:19,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:48:19,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:48:19,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:48:19,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:48:19,633 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:48:19,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:48:19,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:48:19,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:48:19,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:48:19,636 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:48:19,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:48:19,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:48:19,637 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 18:48:19,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 18:48:19,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:48:19,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:48:19,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:48:19,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:48:19,642 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 18:48:19,642 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 18:48:19,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:48:19,643 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 18:48:19,643 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 18:48:19,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:48:19,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:48:19,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:48:19,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:48:19,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:48:19,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:48:19,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:48:19,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:48:19,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:48:19,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:48:19,646 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 18:48:19,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 18:48:19,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:48:19,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:48:19,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:48:19,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:48:19,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f23a76680a88b4e3582239a1d89eab7ec3ee1b0bc583f7f275d3fe6394371a3 [2024-11-18 18:48:19,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:48:20,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:48:20,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:48:20,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:48:20,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:48:20,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:21,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:48:21,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:48:21,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:21,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3451dba/6d00768e27b7470bb83695038fd41122/FLAG99643408e [2024-11-18 18:48:21,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3451dba/6d00768e27b7470bb83695038fd41122 [2024-11-18 18:48:21,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:48:21,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:48:21,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:48:21,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:48:21,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:48:21,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:48:21" (1/1) ... [2024-11-18 18:48:21,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65209423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:21, skipping insertion in model container [2024-11-18 18:48:21,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:48:21" (1/1) ... [2024-11-18 18:48:21,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:48:22,054 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-42.i[917,930] [2024-11-18 18:48:22,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:48:22,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:48:22,175 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-42.i[917,930] [2024-11-18 18:48:22,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:48:22,248 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:48:22,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22 WrapperNode [2024-11-18 18:48:22,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:48:22,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:48:22,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:48:22,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:48:22,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,314 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-18 18:48:22,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:48:22,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:48:22,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:48:22,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:48:22,327 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,354 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 18:48:22,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:48:22,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:48:22,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:48:22,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:48:22,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (1/1) ... [2024-11-18 18:48:22,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:48:22,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:48:22,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:48:22,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:48:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:48:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 18:48:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 18:48:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 18:48:22,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:48:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:48:22,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:48:22,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:48:23,113 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-18 18:48:23,113 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:48:23,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:48:23,130 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:48:23,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:48:23 BoogieIcfgContainer [2024-11-18 18:48:23,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:48:23,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:48:23,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:48:23,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:48:23,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:48:21" (1/3) ... [2024-11-18 18:48:23,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2850aef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:48:23, skipping insertion in model container [2024-11-18 18:48:23,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:48:22" (2/3) ... [2024-11-18 18:48:23,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2850aef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:48:23, skipping insertion in model container [2024-11-18 18:48:23,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:48:23" (3/3) ... [2024-11-18 18:48:23,140 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-42.i [2024-11-18 18:48:23,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:48:23,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:48:23,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:48:23,238 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;@5f3961e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:48:23,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:48:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 18:48:23,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:23,260 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:23,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:23,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1882836578, now seen corresponding path program 1 times [2024-11-18 18:48:23,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:48:23,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101206235] [2024-11-18 18:48:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:23,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 18:48:23,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:48:23,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 18:48:23,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 18:48:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:23,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 18:48:23,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:48:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-18 18:48:23,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:48:23,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:48:23,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101206235] [2024-11-18 18:48:23,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [101206235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:48:23,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:48:23,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 18:48:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257406028] [2024-11-18 18:48:23,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:48:23,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 18:48:23,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:48:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 18:48:23,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:48:23,672 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 18:48:23,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:48:23,708 INFO L93 Difference]: Finished difference Result 133 states and 229 transitions. [2024-11-18 18:48:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 18:48:23,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-18 18:48:23,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:48:23,719 INFO L225 Difference]: With dead ends: 133 [2024-11-18 18:48:23,720 INFO L226 Difference]: Without dead ends: 66 [2024-11-18 18:48:23,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 18:48:23,728 INFO L432 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:48:23,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:48:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-18 18:48:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-18 18:48:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 99 transitions. [2024-11-18 18:48:23,775 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 99 transitions. Word has length 148 [2024-11-18 18:48:23,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:48:23,776 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 99 transitions. [2024-11-18 18:48:23,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-18 18:48:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2024-11-18 18:48:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-18 18:48:23,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:23,780 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:23,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-18 18:48:23,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 18:48:23,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:23,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:23,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1613160800, now seen corresponding path program 1 times [2024-11-18 18:48:23,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:48:23,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695784133] [2024-11-18 18:48:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:23,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 18:48:23,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:48:23,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 18:48:23,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-18 18:48:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:24,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-18 18:48:24,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:48:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 108 proven. 63 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-11-18 18:48:24,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 18:48:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-18 18:48:24,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:48:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695784133] [2024-11-18 18:48:24,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695784133] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-18 18:48:24,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-18 18:48:24,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-18 18:48:24,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147719725] [2024-11-18 18:48:24,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:48:24,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:48:24,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:48:24,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:48:24,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-18 18:48:24,927 INFO L87 Difference]: Start difference. First operand 66 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-18 18:48:25,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:48:25,111 INFO L93 Difference]: Finished difference Result 149 states and 223 transitions. [2024-11-18 18:48:25,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:48:25,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-18 18:48:25,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:48:25,117 INFO L225 Difference]: With dead ends: 149 [2024-11-18 18:48:25,117 INFO L226 Difference]: Without dead ends: 86 [2024-11-18 18:48:25,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-18 18:48:25,119 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 23 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 18:48:25,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 275 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 18:48:25,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-18 18:48:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2024-11-18 18:48:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-18 18:48:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-18 18:48:25,145 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 148 [2024-11-18 18:48:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:48:25,149 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-18 18:48:25,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-18 18:48:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-18 18:48:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-18 18:48:25,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:48:25,152 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:48:25,161 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 [2024-11-18 18:48:25,356 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 [2024-11-18 18:48:25,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:48:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:48:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2109701824, now seen corresponding path program 1 times [2024-11-18 18:48:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:48:25,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947291421] [2024-11-18 18:48:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:48:25,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 18:48:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:48:25,362 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) [2024-11-18 18:48:25,365 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 [2024-11-18 18:48:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:48:25,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-18 18:48:25,597 INFO L278 TraceCheckSpWp]: Computing forward predicates...