./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:15:48,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:15:48,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:15:48,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:15:48,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:15:48,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:15:48,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:15:48,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:15:48,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:15:48,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:15:48,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:15:48,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:15:48,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:15:48,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:15:48,988 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:15:48,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:15:48,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:15:48,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:15:48,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:15:48,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:15:48,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:15:48,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:15:48,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:15:48,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:15:48,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:15:48,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:15:48,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:15:48,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:15:48,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:15:48,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:15:48,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:15:48,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:15:48,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:15:48,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:15:48,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:15:49,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:15:49,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:15:49,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:15:49,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:15:49,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:15:49,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:15:49,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:15:49,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2024-11-20 02:15:49,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:15:49,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:15:49,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:15:49,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:15:49,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:15:49,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-20 02:15:50,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:15:50,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:15:50,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-20 02:15:50,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aab6c708/9c12910a549b4ecb88aadff110a68695/FLAG1f0d5b7a3 [2024-11-20 02:15:51,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aab6c708/9c12910a549b4ecb88aadff110a68695 [2024-11-20 02:15:51,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:15:51,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:15:51,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:15:51,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:15:51,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:15:51,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d66231b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51, skipping insertion in model container [2024-11-20 02:15:51,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:15:51,241 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_dependencies_file-46.i[919,932] [2024-11-20 02:15:51,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:15:51,314 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:15:51,324 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_dependencies_file-46.i[919,932] [2024-11-20 02:15:51,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:15:51,368 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:15:51,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51 WrapperNode [2024-11-20 02:15:51,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:15:51,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:15:51,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:15:51,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:15:51,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,444 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 169 [2024-11-20 02:15:51,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:15:51,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:15:51,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:15:51,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:15:51,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,495 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]. [2024-11-20 02:15:51,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:15:51,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:15:51,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:15:51,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:15:51,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (1/1) ... [2024-11-20 02:15:51,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:15:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:15:51,577 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) [2024-11-20 02:15:51,582 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 [2024-11-20 02:15:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:15:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:15:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:15:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:15:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:15:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:15:51,727 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:15:51,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:15:52,166 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-20 02:15:52,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:15:52,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:15:52,187 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:15:52,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:52 BoogieIcfgContainer [2024-11-20 02:15:52,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:15:52,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:15:52,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:15:52,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:15:52,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:15:51" (1/3) ... [2024-11-20 02:15:52,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60987ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:15:52, skipping insertion in model container [2024-11-20 02:15:52,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:15:51" (2/3) ... [2024-11-20 02:15:52,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60987ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:15:52, skipping insertion in model container [2024-11-20 02:15:52,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:52" (3/3) ... [2024-11-20 02:15:52,200 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2024-11-20 02:15:52,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:15:52,220 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:15:52,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:15:52,315 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;@6c56879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:15:52,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:15:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 02:15:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 02:15:52,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:15:52,336 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:15:52,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:15:52,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:15:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1923436283, now seen corresponding path program 1 times [2024-11-20 02:15:52,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:15:52,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732480577] [2024-11-20 02:15:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:15:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:15:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:15:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:15:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:15:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:15:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:15:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:15:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:15:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:15:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:15:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:15:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:15:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:15:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:15:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:15:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:15:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:15:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:15:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:15:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:15:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:15:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 02:15:52,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:15:52,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732480577] [2024-11-20 02:15:52,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732480577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:15:52,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:15:52,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:15:52,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87126181] [2024-11-20 02:15:52,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:15:52,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:15:52,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:15:52,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:15:52,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:15:52,803 INFO L87 Difference]: Start difference. First operand has 71 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 02:15:52,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:15:52,837 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2024-11-20 02:15:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:15:52,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-20 02:15:52,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:15:52,849 INFO L225 Difference]: With dead ends: 135 [2024-11-20 02:15:52,850 INFO L226 Difference]: Without dead ends: 67 [2024-11-20 02:15:52,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:15:52,857 INFO L432 NwaCegarLoop]: 100 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, 100 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 [2024-11-20 02:15:52,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:15:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-20 02:15:52,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-20 02:15:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 02:15:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2024-11-20 02:15:52,923 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 124 [2024-11-20 02:15:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:15:52,924 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2024-11-20 02:15:52,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 02:15:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-20 02:15:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-20 02:15:52,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:15:52,930 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:15:52,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:15:52,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:15:52,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:15:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2147220988, now seen corresponding path program 1 times [2024-11-20 02:15:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:15:52,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472365450] [2024-11-20 02:15:52,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:15:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:15:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:16:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:16:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:16:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:16:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:16:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:16:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:16:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:16:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:16:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:16:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:16:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:16:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:16:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:16:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:16:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:16:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:16:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:16:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:16:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 02:16:08,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:16:08,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472365450] [2024-11-20 02:16:08,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472365450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:16:08,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:16:08,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:16:08,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179042587] [2024-11-20 02:16:08,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:16:08,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:16:08,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:16:08,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:16:08,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:16:08,870 INFO L87 Difference]: Start difference. First operand 67 states and 100 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 02:16:12,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:16:12,132 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2024-11-20 02:16:12,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:16:12,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2024-11-20 02:16:12,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:16:12,136 INFO L225 Difference]: With dead ends: 222 [2024-11-20 02:16:12,136 INFO L226 Difference]: Without dead ends: 158 [2024-11-20 02:16:12,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:16:12,138 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 136 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:16:12,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 441 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 02:16:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-20 02:16:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2024-11-20 02:16:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 95 states have internal predecessors, (132), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-20 02:16:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 186 transitions. [2024-11-20 02:16:12,185 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 186 transitions. Word has length 125 [2024-11-20 02:16:12,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:16:12,186 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 186 transitions. [2024-11-20 02:16:12,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 02:16:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2024-11-20 02:16:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-20 02:16:12,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:16:12,190 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:16:12,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:16:12,191 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:16:12,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:16:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1136629058, now seen corresponding path program 1 times [2024-11-20 02:16:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:16:12,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783776982] [2024-11-20 02:16:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:16:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:16:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 02:16:12,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623095778] [2024-11-20 02:16:12,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:16:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 02:16:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:16:12,262 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) [2024-11-20 02:16:12,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 02:16:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:16:12,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 02:16:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 02:16:12,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 02:16:12,516 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 02:16:12,518 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 02:16:12,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 02:16:12,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 02:16:12,727 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 02:16:12,827 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 02:16:12,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:16:12 BoogieIcfgContainer [2024-11-20 02:16:12,831 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 02:16:12,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 02:16:12,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 02:16:12,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 02:16:12,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:15:52" (3/4) ... [2024-11-20 02:16:12,837 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 02:16:12,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 02:16:12,842 INFO L158 Benchmark]: Toolchain (without parser) took 21825.81ms. Allocated memory was 176.2MB in the beginning and 522.2MB in the end (delta: 346.0MB). Free memory was 120.2MB in the beginning and 440.9MB in the end (delta: -320.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,843 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:16:12,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.09ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 104.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.73ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 99.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,844 INFO L158 Benchmark]: Boogie Preprocessor took 92.75ms. Allocated memory is still 176.2MB. Free memory was 99.2MB in the beginning and 92.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,845 INFO L158 Benchmark]: RCFGBuilder took 648.48ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 92.4MB in the beginning and 215.0MB in the end (delta: -122.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,847 INFO L158 Benchmark]: TraceAbstraction took 20639.92ms. Allocated memory was 249.6MB in the beginning and 522.2MB in the end (delta: 272.6MB). Free memory was 213.9MB in the beginning and 440.9MB in the end (delta: -226.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2024-11-20 02:16:12,848 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 522.2MB. Free memory is still 440.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 02:16:12,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.09ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 104.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.73ms. Allocated memory is still 176.2MB. Free memory was 104.3MB in the beginning and 99.2MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.75ms. Allocated memory is still 176.2MB. Free memory was 99.2MB in the beginning and 92.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 648.48ms. Allocated memory was 176.2MB in the beginning and 249.6MB in the end (delta: 73.4MB). Free memory was 92.4MB in the beginning and 215.0MB in the end (delta: -122.6MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20639.92ms. Allocated memory was 249.6MB in the beginning and 522.2MB in the end (delta: 272.6MB). Free memory was 213.9MB in the beginning and 440.9MB in the end (delta: -226.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 522.2MB. Free memory is still 440.9MB. 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 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned short int last_1_var_1_13 = 8; [L41] double last_1_var_1_17 = 127.5; VAL [isInitial=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L120] last_1_var_1_13 = var_1_13 [L121] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L131] RET updateLastVariables() [L132] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L102] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L105] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L109] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L109] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L110] var_1_14 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L113] var_1_15 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L116] var_1_18 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L132] RET updateVariables() [L133] CALL step() [L45] COND FALSE !(-100000 >= last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L48] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L52] COND TRUE var_1_2 && var_1_3 [L53] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L57] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L64] var_1_6 = var_1_5 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L66] var_1_17 = var_1_18 [L67] var_1_19 = 5 [L68] var_1_20 = var_1_15 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L69] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L69] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L69] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L76] var_1_13 = var_1_1 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L78] COND FALSE !(var_1_1 < var_1_20) [L85] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L124-L125] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 317 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 224 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 1457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 [2024-11-20 02:16:12,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:16:15,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:16:15,452 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-20 02:16:15,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:16:15,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:16:15,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:16:15,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:16:15,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:16:15,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:16:15,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:16:15,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:16:15,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:16:15,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:16:15,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:16:15,507 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:16:15,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:16:15,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:16:15,510 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:16:15,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:16:15,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:16:15,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:16:15,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:16:15,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:16:15,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 02:16:15,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 02:16:15,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:16:15,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 02:16:15,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:16:15,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:16:15,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:16:15,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:16:15,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:16:15,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:16:15,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:16:15,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:16:15,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:16:15,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:16:15,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:16:15,522 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 02:16:15,522 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 02:16:15,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:16:15,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:16:15,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:16:15,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:16:15,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2024-11-20 02:16:15,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:16:15,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:16:15,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:16:15,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:16:15,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:16:15,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-20 02:16:17,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:16:17,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:16:17,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-20 02:16:17,800 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0ce04f4/b8a4b13a35f34370a250fcd0b79a9660/FLAGd48963786 [2024-11-20 02:16:17,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0ce04f4/b8a4b13a35f34370a250fcd0b79a9660 [2024-11-20 02:16:17,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:16:17,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:16:17,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:16:17,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:16:17,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:16:17,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:16:17" (1/1) ... [2024-11-20 02:16:17,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecf4a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:17, skipping insertion in model container [2024-11-20 02:16:17,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:16:17" (1/1) ... [2024-11-20 02:16:17,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:16:18,081 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_dependencies_file-46.i[919,932] [2024-11-20 02:16:18,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:16:18,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:16:18,186 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_dependencies_file-46.i[919,932] [2024-11-20 02:16:18,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:16:18,254 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:16:18,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18 WrapperNode [2024-11-20 02:16:18,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:16:18,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:16:18,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:16:18,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:16:18,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,314 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-20 02:16:18,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:16:18,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:16:18,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:16:18,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:16:18,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,357 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]. [2024-11-20 02:16:18,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:16:18,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:16:18,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:16:18,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:16:18,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (1/1) ... [2024-11-20 02:16:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:16:18,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:16:18,456 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) [2024-11-20 02:16:18,470 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 [2024-11-20 02:16:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:16:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 02:16:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:16:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:16:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:16:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:16:18,604 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:16:18,606 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:16:31,410 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-20 02:16:31,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:16:31,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:16:31,443 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:16:31,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:16:31 BoogieIcfgContainer [2024-11-20 02:16:31,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:16:31,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:16:31,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:16:31,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:16:31,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:16:17" (1/3) ... [2024-11-20 02:16:31,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446d3847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:16:31, skipping insertion in model container [2024-11-20 02:16:31,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:16:18" (2/3) ... [2024-11-20 02:16:31,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446d3847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:16:31, skipping insertion in model container [2024-11-20 02:16:31,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:16:31" (3/3) ... [2024-11-20 02:16:31,454 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2024-11-20 02:16:31,472 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:16:31,472 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:16:31,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:16:31,539 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;@612a9eba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:16:31,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:16:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 02:16:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-20 02:16:31,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:16:31,556 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:16:31,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:16:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:16:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1283369581, now seen corresponding path program 1 times [2024-11-20 02:16:31,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:16:31,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491517607] [2024-11-20 02:16:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:16:31,576 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 [2024-11-20 02:16:31,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:16:31,581 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) [2024-11-20 02:16:31,582 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 [2024-11-20 02:16:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:16:32,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 02:16:32,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:16:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-20 02:16:32,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 02:16:32,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 02:16:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491517607] [2024-11-20 02:16:32,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491517607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:16:32,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:16:32,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:16:32,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660327769] [2024-11-20 02:16:32,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:16:32,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:16:32,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 02:16:32,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:16:32,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:16:32,553 INFO L87 Difference]: Start difference. First operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 02:16:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:16:32,598 INFO L93 Difference]: Finished difference Result 108 states and 187 transitions. [2024-11-20 02:16:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:16:32,601 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-20 02:16:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:16:32,607 INFO L225 Difference]: With dead ends: 108 [2024-11-20 02:16:32,608 INFO L226 Difference]: Without dead ends: 53 [2024-11-20 02:16:32,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:16:32,615 INFO L432 NwaCegarLoop]: 77 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, 77 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 [2024-11-20 02:16:32,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:16:32,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-20 02:16:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-20 02:16:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 02:16:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-20 02:16:32,666 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 120 [2024-11-20 02:16:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:16:32,668 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-20 02:16:32,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 02:16:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-20 02:16:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-20 02:16:32,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:16:32,671 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:16:32,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 02:16:32,877 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 [2024-11-20 02:16:32,878 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:16:32,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:16:32,879 INFO L85 PathProgramCache]: Analyzing trace with hash -15310986, now seen corresponding path program 1 times [2024-11-20 02:16:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 02:16:32,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943251529] [2024-11-20 02:16:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:16:32,881 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 [2024-11-20 02:16:32,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 02:16:32,882 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) [2024-11-20 02:16:32,884 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