./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_loopvsstraightlinecode_25-1loop_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6650119a7fe3ff36ff850c77813e4f9e9500a338e3ffc0b002d1498ea71ee91 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:35:24,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:35:24,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:35:24,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:35:24,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:35:24,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:35:24,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:35:24,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:35:24,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:35:24,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:35:24,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:35:24,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:35:24,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:35:24,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:35:24,347 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:35:24,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:35:24,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:35:24,348 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:35:24,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:35:24,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:35:24,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:35:24,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:35:24,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:35:24,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:35:24,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:35:24,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:35:24,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:35:24,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:35:24,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:35:24,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:35:24,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:35:24,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:35:24,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:35:24,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:35:24,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:35:24,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:35:24,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:35:24,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:35:24,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:35:24,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:35:24,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:35:24,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:35:24,363 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6650119a7fe3ff36ff850c77813e4f9e9500a338e3ffc0b002d1498ea71ee91 [2024-10-14 11:35:24,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:35:24,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:35:24,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:35:24,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:35:24,622 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:35:24,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:26,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:35:26,275 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:35:26,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:26,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b3c1ef6/6d2aadbee75e4bfcb8859abd71c297cf/FLAG1c37e7b0b [2024-10-14 11:35:26,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b3c1ef6/6d2aadbee75e4bfcb8859abd71c297cf [2024-10-14 11:35:26,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:35:26,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:35:26,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:35:26,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:35:26,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:35:26,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b92f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26, skipping insertion in model container [2024-10-14 11:35:26,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:35:26,500 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_loopvsstraightlinecode_25-1loop_file-43.i[915,928] [2024-10-14 11:35:26,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:35:26,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:35:26,559 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_loopvsstraightlinecode_25-1loop_file-43.i[915,928] [2024-10-14 11:35:26,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:35:26,595 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:35:26,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26 WrapperNode [2024-10-14 11:35:26,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:35:26,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:35:26,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:35:26,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:35:26,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,643 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-10-14 11:35:26,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:35:26,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:35:26,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:35:26,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:35:26,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,671 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]. [2024-10-14 11:35:26,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:35:26,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:35:26,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:35:26,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:35:26,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (1/1) ... [2024-10-14 11:35:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:35:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:35:26,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:35:26,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:35:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:35:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:35:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:35:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:35:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:35:26,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:35:26,868 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:35:26,872 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:35:27,108 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-14 11:35:27,108 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:35:27,160 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:35:27,161 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:35:27,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:35:27 BoogieIcfgContainer [2024-10-14 11:35:27,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:35:27,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:35:27,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:35:27,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:35:27,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:35:26" (1/3) ... [2024-10-14 11:35:27,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf9578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:35:27, skipping insertion in model container [2024-10-14 11:35:27,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:26" (2/3) ... [2024-10-14 11:35:27,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edf9578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:35:27, skipping insertion in model container [2024-10-14 11:35:27,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:35:27" (3/3) ... [2024-10-14 11:35:27,172 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:27,191 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:35:27,191 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:35:27,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:35:27,253 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;@6147d7cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:35:27,253 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:35:27,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 11:35:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 11:35:27,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:35:27,265 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:35:27,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:35:27,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:35:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1094797028, now seen corresponding path program 1 times [2024-10-14 11:35:27,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:35:27,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842259915] [2024-10-14 11:35:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:35:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:35:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:35:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 11:35:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 11:35:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-14 11:35:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-14 11:35:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 11:35:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 11:35:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 11:35:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-14 11:35:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-14 11:35:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 11:35:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 11:35:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-14 11:35:28,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:35:28,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842259915] [2024-10-14 11:35:28,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842259915] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 11:35:28,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836678857] [2024-10-14 11:35:28,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:35:28,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 11:35:28,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:35:28,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 11:35:28,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 11:35:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:28,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 11:35:28,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:35:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 11:35:28,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 11:35:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-14 11:35:28,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836678857] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 11:35:28,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 11:35:28,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-14 11:35:28,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040336307] [2024-10-14 11:35:28,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 11:35:28,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:35:28,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:35:28,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:35:28,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:35:28,725 INFO L87 Difference]: Start difference. First operand has 40 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:35:28,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:35:28,969 INFO L93 Difference]: Finished difference Result 87 states and 139 transitions. [2024-10-14 11:35:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 11:35:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2024-10-14 11:35:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:35:28,981 INFO L225 Difference]: With dead ends: 87 [2024-10-14 11:35:28,981 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 11:35:28,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 175 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-14 11:35:28,990 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 46 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:35:28,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 74 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 11:35:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 11:35:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2024-10-14 11:35:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 11:35:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2024-10-14 11:35:29,033 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 78 [2024-10-14 11:35:29,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:35:29,034 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2024-10-14 11:35:29,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:35:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-10-14 11:35:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 11:35:29,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:35:29,052 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:35:29,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 11:35:29,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-14 11:35:29,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:35:29,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:35:29,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1094856610, now seen corresponding path program 1 times [2024-10-14 11:35:29,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:35:29,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095912286] [2024-10-14 11:35:29,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:35:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:35:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 11:35:29,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 11:35:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 11:35:29,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 11:35:29,407 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 11:35:29,408 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 11:35:29,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:35:29,415 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 11:35:29,490 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 11:35:29,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:35:29 BoogieIcfgContainer [2024-10-14 11:35:29,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 11:35:29,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 11:35:29,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 11:35:29,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 11:35:29,497 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:35:27" (3/4) ... [2024-10-14 11:35:29,498 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 11:35:29,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 11:35:29,500 INFO L158 Benchmark]: Toolchain (without parser) took 3201.76ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 111.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-14 11:35:29,500 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 11:35:29,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.98ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 113.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 11:35:29,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.78ms. Allocated memory is still 159.4MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 11:35:29,501 INFO L158 Benchmark]: Boogie Preprocessor took 40.98ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 11:35:29,502 INFO L158 Benchmark]: RCFGBuilder took 475.26ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 90.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 11:35:29,502 INFO L158 Benchmark]: TraceAbstraction took 2330.17ms. Allocated memory is still 159.4MB. Free memory was 89.5MB in the beginning and 111.3MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 11:35:29,502 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 159.4MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 11:35:29,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.98ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 113.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.78ms. Allocated memory is still 159.4MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.98ms. Allocated memory is still 159.4MB. Free memory was 110.5MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.26ms. Allocated memory is still 159.4MB. Free memory was 108.4MB in the beginning and 90.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2330.17ms. Allocated memory is still 159.4MB. Free memory was 89.5MB in the beginning and 111.3MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 159.4MB. Free memory is still 111.3MB. 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 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] float var_1_4 = 64.4; [L24] float var_1_5 = 0.2; [L25] double var_1_8 = 31.75; [L26] double var_1_9 = 50.375; [L27] double var_1_10 = 99.25; [L28] double var_1_11 = 16.4; [L29] double var_1_12 = 64.5; [L30] float var_1_13 = 8.75; [L31] float var_1_14 = 127.1; [L32] unsigned short int var_1_15 = 5; [L33] unsigned char var_1_18 = 0; [L34] unsigned char var_1_19 = 0; [L35] unsigned char var_1_20 = 0; [L36] unsigned char var_1_21 = 8; [L37] double last_1_var_1_8 = 31.75; [L93] isInitial = 1 [L94] FCALL initially() [L95] int k_loop; [L96] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_4=322/5, var_1_5=1/5, var_1_8=127/4, var_1_9=403/8] [L96] COND TRUE k_loop < 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_8 = var_1_8 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L63] var_1_4 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_5=1/5, var_1_8=127/4, var_1_9=403/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_5=1/5, var_1_8=127/4, var_1_9=403/8] [L64] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_5=1/5, var_1_8=127/4, var_1_9=403/8] [L65] var_1_5 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4, var_1_9=403/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4, var_1_9=403/8] [L66] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4, var_1_9=403/8] [L67] var_1_9 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L68] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L69] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L69] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_10=397/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L70] var_1_10 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L71] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_11=82/5, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L72] var_1_11 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L73] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=129/2, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L74] var_1_12 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L75] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_14=1271/10, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L76] var_1_14 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L77] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L78] var_1_19 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L79] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L80] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L80] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=8, var_1_8=127/4] [L81] var_1_21 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_8=127/4] [L82] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_8=127/4] [L83] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=254, var_1_8=127/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=254, var_1_8=127/4] [L83] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=254, var_1_8=127/4] [L98] RET updateVariables() [L99] CALL step() [L41] COND FALSE !((- (var_1_5 / var_1_9)) != last_1_var_1_8) [L46] var_1_8 = var_1_12 VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_13=35/4, var_1_15=5, var_1_18=0, var_1_19=-256, var_1_1=64, var_1_20=0, var_1_21=254, var_1_8=259] [L48] var_1_13 = (128.75f + var_1_14) [L49] var_1_18 = var_1_19 [L50] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_15=5, var_1_18=-256, var_1_19=-256, var_1_1=64, var_1_20=254, var_1_21=254, var_1_8=259] [L51] COND FALSE !(var_1_13 != ((((var_1_13) > ((var_1_4 - var_1_5))) ? (var_1_13) : ((var_1_4 - var_1_5))))) [L56] var_1_1 = var_1_20 VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_15=5, var_1_18=-256, var_1_19=-256, var_1_1=254, var_1_20=254, var_1_21=254, var_1_8=259] [L58] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_15=5, var_1_18=-256, var_1_19=-256, var_1_1=254, var_1_20=254, var_1_21=254, var_1_8=259] [L99] RET step() [L100] CALL, EXPR property() [L89-L90] return ((((((var_1_13 != ((((var_1_13) > ((var_1_4 - var_1_5))) ? (var_1_13) : ((var_1_4 - var_1_5))))) ? (var_1_18 ? (var_1_1 == ((signed short int) var_1_20)) : 1) : (var_1_1 == ((signed short int) var_1_20))) && (((- (var_1_5 / var_1_9)) != last_1_var_1_8) ? ((var_1_4 != (- var_1_9)) ? (var_1_8 == ((double) ((var_1_10 + var_1_11) - var_1_12))) : 1) : (var_1_8 == ((double) var_1_12)))) && (var_1_13 == ((float) (128.75f + var_1_14)))) && (var_1_18 ? (var_1_15 == ((unsigned short int) (var_1_20 + var_1_20))) : 1)) && (var_1_18 == ((unsigned char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_15=5, var_1_18=-256, var_1_19=-256, var_1_1=254, var_1_20=254, var_1_21=254, var_1_8=259] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=127/4, var_1_12=259, var_1_15=5, var_1_18=-256, var_1_19=-256, var_1_1=254, var_1_20=254, var_1_21=254, var_1_8=259] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 33 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 175 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 SizeOfPredicates, 3 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 774/792 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 [2024-10-14 11:35:29,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6650119a7fe3ff36ff850c77813e4f9e9500a338e3ffc0b002d1498ea71ee91 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:35:31,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:35:31,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 11:35:31,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:35:31,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:35:31,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:35:31,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:35:31,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:35:31,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:35:31,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:35:31,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:35:31,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:35:31,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:35:31,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:35:31,947 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:35:31,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:35:31,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:35:31,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:35:31,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:35:31,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:35:31,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:35:31,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:35:31,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:35:31,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 11:35:31,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 11:35:31,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:35:31,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 11:35:31,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:35:31,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:35:31,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:35:31,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:35:31,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:35:31,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:35:31,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:35:31,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:35:31,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:35:31,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:35:31,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:35:31,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 11:35:31,961 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 11:35:31,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:35:31,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:35:31,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:35:31,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:35:31,963 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 11:35:31,963 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6650119a7fe3ff36ff850c77813e4f9e9500a338e3ffc0b002d1498ea71ee91 [2024-10-14 11:35:32,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:35:32,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:35:32,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:35:32,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:35:32,343 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:35:32,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:33,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:35:34,220 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:35:34,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:34,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d1acd1f0/b0e12efd1a7844fd91f04200ecc3494b/FLAG2eb2f77ce [2024-10-14 11:35:34,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d1acd1f0/b0e12efd1a7844fd91f04200ecc3494b [2024-10-14 11:35:34,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:35:34,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:35:34,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:35:34,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:35:34,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:35:34,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e461fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34, skipping insertion in model container [2024-10-14 11:35:34,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:35:34,737 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_loopvsstraightlinecode_25-1loop_file-43.i[915,928] [2024-10-14 11:35:34,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:35:34,813 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:35:34,827 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_loopvsstraightlinecode_25-1loop_file-43.i[915,928] [2024-10-14 11:35:34,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:35:34,879 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:35:34,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34 WrapperNode [2024-10-14 11:35:34,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:35:34,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:35:34,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:35:34,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:35:34,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,933 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 108 [2024-10-14 11:35:34,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:35:34,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:35:34,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:35:34,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:35:34,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,984 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]. [2024-10-14 11:35:34,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:34,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:35:35,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:35:35,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:35:35,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:35:35,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (1/1) ... [2024-10-14 11:35:35,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:35:35,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:35:35,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:35:35,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:35:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:35:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 11:35:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:35:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:35:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:35:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:35:35,274 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:35:35,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:35:48,668 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-14 11:35:48,668 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:35:48,714 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:35:48,718 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:35:48,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:35:48 BoogieIcfgContainer [2024-10-14 11:35:48,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:35:48,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:35:48,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:35:48,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:35:48,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:35:34" (1/3) ... [2024-10-14 11:35:48,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa51b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:35:48, skipping insertion in model container [2024-10-14 11:35:48,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:35:34" (2/3) ... [2024-10-14 11:35:48,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa51b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:35:48, skipping insertion in model container [2024-10-14 11:35:48,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:35:48" (3/3) ... [2024-10-14 11:35:48,732 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-43.i [2024-10-14 11:35:48,750 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:35:48,751 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:35:48,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:35:48,829 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;@256ce917, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:35:48,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:35:48,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 11:35:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 11:35:48,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:35:48,845 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:35:48,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:35:48,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:35:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1094797028, now seen corresponding path program 1 times [2024-10-14 11:35:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 11:35:48,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876039689] [2024-10-14 11:35:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:35:48,865 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 [2024-10-14 11:35:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 11:35:48,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 11:35:48,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 11:35:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:35:49,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 11:35:49,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:35:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-10-14 11:35:51,260 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 11:35:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-14 11:35:53,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 11:35:53,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876039689] [2024-10-14 11:35:53,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876039689] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 11:35:53,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-14 11:35:53,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-10-14 11:35:53,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723054413] [2024-10-14 11:35:53,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-14 11:35:53,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:35:53,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 11:35:53,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:35:53,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:35:53,788 INFO L87 Difference]: Start difference. First operand has 40 states, 25 states have (on average 1.4) internal successors, (35), 26 states have internal predecessors, (35), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:36:01,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 11:36:05,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 11:36:09,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-14 11:36:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:36:09,738 INFO L93 Difference]: Finished difference Result 87 states and 139 transitions. [2024-10-14 11:36:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 11:36:09,742 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2024-10-14 11:36:09,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:36:09,751 INFO L225 Difference]: With dead ends: 87 [2024-10-14 11:36:09,751 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 11:36:09,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-14 11:36:09,759 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 102 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 77 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-10-14 11:36:09,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 71 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 91 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2024-10-14 11:36:09,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 11:36:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2024-10-14 11:36:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-14 11:36:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2024-10-14 11:36:09,799 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 78 [2024-10-14 11:36:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:36:09,803 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2024-10-14 11:36:09,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-10-14 11:36:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2024-10-14 11:36:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 11:36:09,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:36:09,808 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:36:09,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 11:36:10,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 11:36:10,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:36:10,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:36:10,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1094856610, now seen corresponding path program 1 times [2024-10-14 11:36:10,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 11:36:10,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893952428] [2024-10-14 11:36:10,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:36:10,012 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 [2024-10-14 11:36:10,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 11:36:10,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 11:36:10,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 11:36:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:36:11,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 11:36:11,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 11:36:28,149 WARN L286 SmtUtils]: Spent 8.29s 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) [2024-10-14 11:36:35,730 WARN L286 SmtUtils]: Spent 7.58s 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) [2024-10-14 11:36:44,003 WARN L286 SmtUtils]: Spent 8.27s 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) [2024-10-14 11:36:50,101 WARN L286 SmtUtils]: Spent 6.10s 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) [2024-10-14 11:36:58,266 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)