./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:57:03,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:57:03,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 13:57:03,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:57:03,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:57:03,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:57:03,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:57:03,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:57:03,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:57:03,236 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:57:03,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:57:03,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:57:03,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:57:03,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:57:03,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:03,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:03,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:57:03,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:57:03,239 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2025-01-09 13:57:03,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:57:03,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:57:03,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:57:03,425 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:57:03,425 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:57:03,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:04,603 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13880ebfe/a147098186af4da184f0ba2ed261405f/FLAGc6a1c3a95 [2025-01-09 13:57:04,848 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:57:04,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:04,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13880ebfe/a147098186af4da184f0ba2ed261405f/FLAGc6a1c3a95 [2025-01-09 13:57:04,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13880ebfe/a147098186af4da184f0ba2ed261405f [2025-01-09 13:57:04,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:57:04,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:57:04,879 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:57:04,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:57:04,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:57:04,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:57:04" (1/1) ... [2025-01-09 13:57:04,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be0aefe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:04, skipping insertion in model container [2025-01-09 13:57:04,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:57:04" (1/1) ... [2025-01-09 13:57:04,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:57:05,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2025-01-09 13:57:05,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:57:05,068 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:57:05,077 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2025-01-09 13:57:05,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:57:05,121 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:57:05,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05 WrapperNode [2025-01-09 13:57:05,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:57:05,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:57:05,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:57:05,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:57:05,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,165 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2025-01-09 13:57:05,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:57:05,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:57:05,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:57:05,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:57:05,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,175 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,191 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]. [2025-01-09 13:57:05,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:57:05,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:57:05,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:57:05,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:57:05,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (1/1) ... [2025-01-09 13:57:05,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:05,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:57:05,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 13:57:05,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 13:57:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:57:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:57:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:57:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 13:57:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:57:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:57:05,331 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:57:05,332 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:57:05,604 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-01-09 13:57:05,605 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:57:05,611 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:57:05,611 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 13:57:05,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:57:05 BoogieIcfgContainer [2025-01-09 13:57:05,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:57:05,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:57:05,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:57:05,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:57:05,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:57:04" (1/3) ... [2025-01-09 13:57:05,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570a77e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:57:05, skipping insertion in model container [2025-01-09 13:57:05,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:05" (2/3) ... [2025-01-09 13:57:05,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570a77e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:57:05, skipping insertion in model container [2025-01-09 13:57:05,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:57:05" (3/3) ... [2025-01-09 13:57:05,619 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:05,630 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:57:05,632 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-62.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:57:05,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:57:05,676 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;@49f6178a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:57:05,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:57:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 13:57:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 13:57:05,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:57:05,686 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:57:05,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:57:05,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:57:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash 714228377, now seen corresponding path program 1 times [2025-01-09 13:57:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:57:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454163718] [2025-01-09 13:57:05,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:57:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:57:05,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 13:57:05,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 13:57:05,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:05,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:57:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2025-01-09 13:57:06,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 13:57:06,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454163718] [2025-01-09 13:57:06,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454163718] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:57:06,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 13:57:06,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 13:57:06,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776126014] [2025-01-09 13:57:06,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:57:06,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 13:57:06,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 13:57:06,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 13:57:06,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-09 13:57:06,267 INFO L87 Difference]: Start difference. First operand has 69 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 13:57:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:57:06,456 INFO L93 Difference]: Finished difference Result 195 states and 333 transitions. [2025-01-09 13:57:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 13:57:06,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2025-01-09 13:57:06,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:57:06,465 INFO L225 Difference]: With dead ends: 195 [2025-01-09 13:57:06,466 INFO L226 Difference]: Without dead ends: 129 [2025-01-09 13:57:06,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-09 13:57:06,473 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 80 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 13:57:06,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 276 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 13:57:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-09 13:57:06,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 96. [2025-01-09 13:57:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.2615384615384615) internal successors, (82), 66 states have internal predecessors, (82), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 13:57:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2025-01-09 13:57:06,519 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 125 [2025-01-09 13:57:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:57:06,523 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2025-01-09 13:57:06,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 13:57:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2025-01-09 13:57:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-09 13:57:06,529 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:57:06,529 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:57:06,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 13:57:06,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:57:06,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:57:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1805731557, now seen corresponding path program 1 times [2025-01-09 13:57:06,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:57:06,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927121157] [2025-01-09 13:57:06,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:57:06,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:57:06,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 13:57:06,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 13:57:06,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:06,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 13:57:06,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839479153] [2025-01-09 13:57:06,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:57:06,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 13:57:06,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:57:06,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 13:57:06,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 13:57:06,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 13:57:06,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 13:57:06,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:06,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:57:06,777 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 13:57:06,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-09 13:57:06,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-09 13:57:06,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:06,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:57:06,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 13:57:06,862 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 13:57:06,863 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 13:57:06,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 13:57:07,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 13:57:07,067 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 13:57:07,124 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 13:57:07,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:57:07 BoogieIcfgContainer [2025-01-09 13:57:07,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 13:57:07,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 13:57:07,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 13:57:07,145 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 13:57:07,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:57:05" (3/4) ... [2025-01-09 13:57:07,147 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 13:57:07,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 13:57:07,149 INFO L158 Benchmark]: Toolchain (without parser) took 2271.43ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 112.7MB in the end (delta: -3.2MB). Peak memory consumption was 355.1kB. Max. memory is 16.1GB. [2025-01-09 13:57:07,149 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:57:07,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.12ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 95.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 13:57:07,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:57:07,150 INFO L158 Benchmark]: Boogie Preprocessor took 52.12ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:57:07,150 INFO L158 Benchmark]: RCFGBuilder took 392.73ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 70.3MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 13:57:07,150 INFO L158 Benchmark]: TraceAbstraction took 1513.65ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 40.5MB in the end (delta: 29.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2025-01-09 13:57:07,150 INFO L158 Benchmark]: Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 112.7MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:57:07,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.12ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 95.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 92.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.12ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.73ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 70.3MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1513.65ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 40.5MB in the end (delta: 29.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.44ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 112.7MB in the end (delta: 46.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; VAL [isInitial=0, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-25, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L117] isInitial = 1 [L118] FCALL initially() [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L79] var_1_3 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L80] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L88] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_8=399/2, var_1_9=164/5] [L91] var_1_8 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L92] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L97] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L102] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L102] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L103] var_1_21 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L104] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L105] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=4127848294, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L106] var_1_23 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L107] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L108] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L108] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_9=164/5] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L51] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L56] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; VAL [isInitial=1, stepLocal_0=0, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_1=21/4, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L57] COND TRUE var_1_19 > stepLocal_0 [L58] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=2, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L62] COND TRUE ! var_1_10 [L63] var_1_13 = (50u + var_1_19) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L67] COND FALSE !(var_1_8 < (var_1_22 / var_1_12)) VAL [isInitial=1, var_1_10=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=164/5] [L72] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L75] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L113-L114] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=82, var_1_16=2, var_1_17=128, var_1_19=32, var_1_20=1, var_1_21=0, var_1_22=319/20, var_1_23=2147483647, var_1_3=-1, var_1_4=1, var_1_7=0, var_1_8=0, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 114 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 13:57:07,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:57:09,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:57:09,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 13:57:09,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:57:09,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:57:09,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:57:09,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:57:09,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:57:09,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:57:09,240 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:57:09,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:57:09,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:57:09,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:57:09,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:57:09,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:57:09,242 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:57:09,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:09,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:09,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 13:57:09,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 13:57:09,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:57:09,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:57:09,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:57:09,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:57:09,244 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2025-01-09 13:57:09,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:57:09,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:57:09,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:57:09,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:57:09,468 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:57:09,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:10,623 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a536da91/46bafdc9e39c4b7ca2f19b426d9ea56b/FLAG721ca924f [2025-01-09 13:57:10,826 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:57:10,827 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:10,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a536da91/46bafdc9e39c4b7ca2f19b426d9ea56b/FLAG721ca924f [2025-01-09 13:57:10,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9a536da91/46bafdc9e39c4b7ca2f19b426d9ea56b [2025-01-09 13:57:10,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:57:10,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:57:10,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:57:10,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:57:10,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:57:10,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:57:10" (1/1) ... [2025-01-09 13:57:10,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77772e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:10, skipping insertion in model container [2025-01-09 13:57:10,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:57:10" (1/1) ... [2025-01-09 13:57:10,877 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:57:10,973 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2025-01-09 13:57:11,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:57:11,039 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:57:11,048 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2025-01-09 13:57:11,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:57:11,074 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:57:11,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11 WrapperNode [2025-01-09 13:57:11,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:57:11,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:57:11,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:57:11,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:57:11,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,103 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2025-01-09 13:57:11,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:57:11,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:57:11,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:57:11,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:57:11,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,121 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]. [2025-01-09 13:57:11,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:57:11,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:57:11,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:57:11,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:57:11,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (1/1) ... [2025-01-09 13:57:11,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:57:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:57:11,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 13:57:11,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 13:57:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:57:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 13:57:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:57:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:57:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:57:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:57:11,251 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:57:11,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:57:36,069 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-01-09 13:57:36,069 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:57:36,085 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:57:36,086 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 13:57:36,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:57:36 BoogieIcfgContainer [2025-01-09 13:57:36,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:57:36,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:57:36,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:57:36,093 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:57:36,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:57:10" (1/3) ... [2025-01-09 13:57:36,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f71dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:57:36, skipping insertion in model container [2025-01-09 13:57:36,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:57:11" (2/3) ... [2025-01-09 13:57:36,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f71dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:57:36, skipping insertion in model container [2025-01-09 13:57:36,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:57:36" (3/3) ... [2025-01-09 13:57:36,095 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2025-01-09 13:57:36,105 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:57:36,106 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-62.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:57:36,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:57:36,174 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;@3c1d973b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:57:36,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:57:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 13:57:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 13:57:36,183 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:57:36,183 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:57:36,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:57:36,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:57:36,187 INFO L85 PathProgramCache]: Analyzing trace with hash -868878341, now seen corresponding path program 1 times [2025-01-09 13:57:36,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:57:36,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767734425] [2025-01-09 13:57:36,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:57:36,202 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 [2025-01-09 13:57:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:57:36,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 13:57:36,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 13:57:36,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 13:57:37,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 13:57:37,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:37,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:57:37,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 13:57:37,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 13:57:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2025-01-09 13:57:37,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 13:57:37,519 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 13:57:37,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767734425] [2025-01-09 13:57:37,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767734425] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:57:37,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 13:57:37,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 13:57:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20280898] [2025-01-09 13:57:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:57:37,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 13:57:37,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 13:57:37,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 13:57:37,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 13:57:37,536 INFO L87 Difference]: Start difference. First operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 13:57:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:57:37,549 INFO L93 Difference]: Finished difference Result 110 states and 188 transitions. [2025-01-09 13:57:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 13:57:37,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2025-01-09 13:57:37,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:57:37,554 INFO L225 Difference]: With dead ends: 110 [2025-01-09 13:57:37,554 INFO L226 Difference]: Without dead ends: 55 [2025-01-09 13:57:37,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 13:57:37,558 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 13:57:37,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 13:57:37,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2025-01-09 13:57:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2025-01-09 13:57:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-09 13:57:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2025-01-09 13:57:37,593 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 123 [2025-01-09 13:57:37,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:57:37,593 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2025-01-09 13:57:37,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2025-01-09 13:57:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2025-01-09 13:57:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-09 13:57:37,595 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:57:37,595 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:57:37,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 13:57:37,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 13:57:37,796 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:57:37,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:57:37,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1330642123, now seen corresponding path program 1 times [2025-01-09 13:57:37,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:57:37,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755420391] [2025-01-09 13:57:37,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:57:37,799 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 [2025-01-09 13:57:37,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:57:37,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-01-09 13:57:37,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 13:57:37,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-09 13:57:40,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-09 13:57:40,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:57:40,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:57:40,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-09 13:57:40,852 INFO L279 TraceCheckSpWp]: Computing forward predicates...