./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_variablewrapping_normal_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:05:49,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:05:49,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 13:05:49,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:05:49,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:05:49,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:05:49,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:05:49,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:05:49,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:05:49,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:05:49,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:05:49,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:05:49,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:05:49,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:05:49,098 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:05:49,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:05:49,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:05:49,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:05:49,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 13:05:49,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:05:49,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:05:49,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:05:49,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:05:49,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:05:49,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:05:49,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:05:49,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:05:49,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:05:49,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:05:49,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:05:49,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:05:49,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:05:49,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:49,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:05:49,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:05:49,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:05:49,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 13:05:49,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 13:05:49,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:05:49,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:05:49,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:05:49,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:05:49,106 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2024-10-11 13:05:49,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:05:49,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:05:49,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:05:49,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:05:49,365 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:05:49,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-10-11 13:05:50,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:05:50,830 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:05:50,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-10-11 13:05:50,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7840ccc4e/9fc10552b70a4f709083f2332d2dab2f/FLAG24630cd49 [2024-10-11 13:05:51,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7840ccc4e/9fc10552b70a4f709083f2332d2dab2f [2024-10-11 13:05:51,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:05:51,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:05:51,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:51,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:05:51,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:05:51,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cec0534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51, skipping insertion in model container [2024-10-11 13:05:51,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:05:51,415 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2024-10-11 13:05:51,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:51,465 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:05:51,474 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2024-10-11 13:05:51,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:51,502 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:05:51,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51 WrapperNode [2024-10-11 13:05:51,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:51,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:51,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:05:51,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:05:51,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,545 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-10-11 13:05:51,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:51,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:05:51,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:05:51,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:05:51,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,578 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 13:05:51,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:05:51,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:05:51,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:05:51,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:05:51,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (1/1) ... [2024-10-11 13:05:51,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:05:51,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:05:51,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:05:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:05:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:05:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 13:05:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:05:51,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:05:51,798 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:05:51,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:05:52,018 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 13:05:52,018 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:05:52,058 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:05:52,059 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:05:52,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:52 BoogieIcfgContainer [2024-10-11 13:05:52,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:05:52,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:05:52,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:05:52,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:05:52,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:05:51" (1/3) ... [2024-10-11 13:05:52,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e45b03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:52, skipping insertion in model container [2024-10-11 13:05:52,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:51" (2/3) ... [2024-10-11 13:05:52,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e45b03e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:05:52, skipping insertion in model container [2024-10-11 13:05:52,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:52" (3/3) ... [2024-10-11 13:05:52,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2024-10-11 13:05:52,087 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:05:52,088 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:05:52,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:05:52,153 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;@642b73ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:05:52,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:05:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 13:05:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 13:05:52,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:52,171 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:52,172 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:52,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:52,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1503126613, now seen corresponding path program 1 times [2024-10-11 13:05:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:05:52,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647058776] [2024-10-11 13:05:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:05:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 13:05:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 13:05:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 13:05:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 13:05:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 13:05:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 13:05:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 13:05:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 13:05:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 13:05:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 13:05:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 13:05:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 13:05:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 13:05:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 13:05:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 13:05:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:05:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-10-11 13:05:52,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 13:05:52,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647058776] [2024-10-11 13:05:52,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647058776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:05:52,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:05:52,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:05:52,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213219209] [2024-10-11 13:05:52,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:05:52,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:05:52,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 13:05:52,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:05:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:52,550 INFO L87 Difference]: Start difference. First operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-11 13:05:52,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:05:52,592 INFO L93 Difference]: Finished difference Result 79 states and 137 transitions. [2024-10-11 13:05:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:05:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2024-10-11 13:05:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:05:52,607 INFO L225 Difference]: With dead ends: 79 [2024-10-11 13:05:52,607 INFO L226 Difference]: Without dead ends: 39 [2024-10-11 13:05:52,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:05:52,616 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 13:05:52,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 13:05:52,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-11 13:05:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-10-11 13:05:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 13:05:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2024-10-11 13:05:52,658 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 92 [2024-10-11 13:05:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:05:52,659 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2024-10-11 13:05:52,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-11 13:05:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-10-11 13:05:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 13:05:52,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:05:52,664 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:05:52,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 13:05:52,665 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:05:52,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:05:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1725184271, now seen corresponding path program 1 times [2024-10-11 13:05:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 13:05:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606278542] [2024-10-11 13:05:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 13:05:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 13:05:52,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912687438] [2024-10-11 13:05:52,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:05:52,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:05:52,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:05:52,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 13:05:52,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 13:05:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:05:53,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 13:05:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 13:05:53,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 13:05:53,244 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 13:05:53,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 13:05:53,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 13:05:53,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 13:05:53,450 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 13:05:53,510 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 13:05:53,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:05:53 BoogieIcfgContainer [2024-10-11 13:05:53,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 13:05:53,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 13:05:53,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 13:05:53,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 13:05:53,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:05:52" (3/4) ... [2024-10-11 13:05:53,526 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 13:05:53,527 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 13:05:53,532 INFO L158 Benchmark]: Toolchain (without parser) took 2286.23ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 147.2MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:05:53,533 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:05:53,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.43ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 124.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 13:05:53,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.55ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 13:05:53,537 INFO L158 Benchmark]: Boogie Preprocessor took 53.03ms. Allocated memory is still 180.4MB. Free memory was 121.2MB in the beginning and 116.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 13:05:53,539 INFO L158 Benchmark]: RCFGBuilder took 462.06ms. Allocated memory is still 180.4MB. Free memory was 116.3MB in the beginning and 131.7MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 13:05:53,539 INFO L158 Benchmark]: TraceAbstraction took 1458.27ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 147.4MB in the end (delta: -16.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-10-11 13:05:53,539 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 147.2MB in the end (delta: 171.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 13:05:53,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.43ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 124.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.55ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.03ms. Allocated memory is still 180.4MB. Free memory was 121.2MB in the beginning and 116.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 462.06ms. Allocated memory is still 180.4MB. Free memory was 116.3MB in the beginning and 131.7MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1458.27ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 147.4MB in the end (delta: -16.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 147.2MB in the end (delta: 171.3kB). 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 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] float var_1_13 = 99.6; [L30] float var_1_14 = 127.5; [L31] float var_1_15 = 16.5; [L32] float var_1_16 = 256.5; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L87] last_1_var_1_12 = var_1_12 [L88] last_1_var_1_18 = var_1_18 [L98] RET updateLastVariables() [L99] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L75] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L78] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L78] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L79] var_1_16 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L82] var_1_17 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L99] RET updateVariables() [L100] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=5, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=10, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=254] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=754, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=254] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=18, stepLocal_1=-2, var_1_10=-770, var_1_11=-988, var_1_12=754, var_1_17=2147483647, var_1_18=-988, var_1_1=5, var_1_3=2, var_1_7=36, var_1_8=254] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=-2, var_1_10=-770, var_1_11=-988, var_1_12=754, var_1_17=2147483647, var_1_18=-988, var_1_1=5, var_1_3=2, var_1_7=36, var_1_8=254] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=754, var_1_17=2147483647, var_1_18=-988, var_1_1=5, var_1_3=2, var_1_7=36, var_1_8=254] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-770, var_1_11=-988, var_1_12=754, var_1_17=2147483647, var_1_18=-988, var_1_1=5, var_1_3=2, var_1_7=36, var_1_8=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 13:05:53,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 13:05:55,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 13:05:55,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 13:05:55,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 13:05:55,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 13:05:55,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 13:05:55,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 13:05:55,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 13:05:55,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 13:05:55,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 13:05:55,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 13:05:55,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 13:05:55,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 13:05:55,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 13:05:55,593 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 13:05:55,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 13:05:55,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 13:05:55,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 13:05:55,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 13:05:55,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 13:05:55,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 13:05:55,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 13:05:55,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 13:05:55,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 13:05:55,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 13:05:55,595 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 13:05:55,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 13:05:55,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 13:05:55,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 13:05:55,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 13:05:55,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 13:05:55,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 13:05:55,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 13:05:55,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 13:05:55,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:55,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 13:05:55,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 13:05:55,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 13:05:55,600 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 13:05:55,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 13:05:55,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 13:05:55,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 13:05:55,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 13:05:55,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 13:05:55,602 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 13:05:55,603 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2024-10-11 13:05:55,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 13:05:55,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 13:05:55,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 13:05:55,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 13:05:55,893 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 13:05:55,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-10-11 13:05:57,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 13:05:57,447 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 13:05:57,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2024-10-11 13:05:57,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83f1029ce/dec4e57c66a7487889719bed07ed18f5/FLAG2cb600aeb [2024-10-11 13:05:57,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/83f1029ce/dec4e57c66a7487889719bed07ed18f5 [2024-10-11 13:05:57,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 13:05:57,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 13:05:57,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:57,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 13:05:57,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 13:05:57,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:57" (1/1) ... [2024-10-11 13:05:57,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e10aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:57, skipping insertion in model container [2024-10-11 13:05:57,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:05:57" (1/1) ... [2024-10-11 13:05:57,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 13:05:57,999 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2024-10-11 13:05:58,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:58,070 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 13:05:58,084 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2024-10-11 13:05:58,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 13:05:58,141 INFO L204 MainTranslator]: Completed translation [2024-10-11 13:05:58,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58 WrapperNode [2024-10-11 13:05:58,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 13:05:58,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:58,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 13:05:58,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 13:05:58,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,186 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-10-11 13:05:58,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 13:05:58,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 13:05:58,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 13:05:58,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 13:05:58,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,219 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 13:05:58,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 13:05:58,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 13:05:58,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 13:05:58,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 13:05:58,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (1/1) ... [2024-10-11 13:05:58,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 13:05:58,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 13:05:58,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 13:05:58,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 13:05:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 13:05:58,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 13:05:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 13:05:58,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 13:05:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 13:05:58,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 13:05:58,391 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 13:05:58,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 13:06:09,398 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-11 13:06:09,398 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 13:06:09,442 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 13:06:09,442 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 13:06:09,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:06:09 BoogieIcfgContainer [2024-10-11 13:06:09,443 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 13:06:09,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 13:06:09,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 13:06:09,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 13:06:09,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:05:57" (1/3) ... [2024-10-11 13:06:09,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225149cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:06:09, skipping insertion in model container [2024-10-11 13:06:09,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:05:58" (2/3) ... [2024-10-11 13:06:09,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225149cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:06:09, skipping insertion in model container [2024-10-11 13:06:09,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:06:09" (3/3) ... [2024-10-11 13:06:09,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2024-10-11 13:06:09,468 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 13:06:09,468 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 13:06:09,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 13:06:09,541 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;@3137cc5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 13:06:09,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 13:06:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 13:06:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 13:06:09,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:06:09,555 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:06:09,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:06:09,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:06:09,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1503126613, now seen corresponding path program 1 times [2024-10-11 13:06:09,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:06:09,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932394586] [2024-10-11 13:06:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:06:09,576 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 [2024-10-11 13:06:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:06:09,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 13:06:09,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 13:06:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:06:10,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 13:06:10,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:06:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-10-11 13:06:10,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 13:06:10,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 13:06:10,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932394586] [2024-10-11 13:06:10,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932394586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 13:06:10,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 13:06:10,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 13:06:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239930565] [2024-10-11 13:06:10,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 13:06:10,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 13:06:10,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 13:06:10,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 13:06:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:06:10,127 INFO L87 Difference]: Start difference. First operand has 41 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-11 13:06:14,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 13:06:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 13:06:14,290 INFO L93 Difference]: Finished difference Result 79 states and 137 transitions. [2024-10-11 13:06:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 13:06:14,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2024-10-11 13:06:14,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 13:06:14,346 INFO L225 Difference]: With dead ends: 79 [2024-10-11 13:06:14,346 INFO L226 Difference]: Without dead ends: 39 [2024-10-11 13:06:14,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 13:06:14,351 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 13:06:14,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 13:06:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-11 13:06:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-10-11 13:06:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-11 13:06:14,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2024-10-11 13:06:14,383 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 92 [2024-10-11 13:06:14,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 13:06:14,384 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2024-10-11 13:06:14,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-11 13:06:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-10-11 13:06:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 13:06:14,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 13:06:14,388 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 13:06:14,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 13:06:14,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 13:06:14,590 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 13:06:14,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 13:06:14,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1725184271, now seen corresponding path program 1 times [2024-10-11 13:06:14,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 13:06:14,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358822290] [2024-10-11 13:06:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 13:06:14,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 13:06:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 13:06:14,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 13:06:14,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 13:06:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 13:06:15,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 13:06:15,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 13:06:26,793 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:06:35,008 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:06:43,229 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:06:51,430 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:06:59,524 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:07:07,745 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:07:15,971 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:07:24,071 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 13:07:32,283 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)